Nautical Terms for Sea Wolves

 Welcome, fearless sailors! If you dream of achieving the esteemed status of a "Sea Wolf" and sailing the oceans with skill and knowledge, you've come to the right place. In this article, we will take you on an exciting journey through the most professional and sophisticated nautical terms, known only to true experts of the sea.

 From the subtle nuances of navigation to the intricate mechanisms of vessels, this list of Sea Wolf-level nautical terms will take you to new depths of understanding and proficiency. Whether you're an experienced sailor looking to refine your skills or an enthusiastic novice eager to expand your maritime vocabulary, this compilation will open the doors to an unparalleled world of nautical knowledge.

 Get ready to embark on an exhilarating learning adventure, where you'll discover the meaning behind each specialized term, from sail jargon to crucial meteorological concepts. These Sea Wolf-level nautical terms will allow you to speak the language of true maritime experts and bring you one step closer to becoming a true captain.

 So, trim your sails, secure your lines, and prepare to dive into the fascinating world of professional nautical terms. It's time to achieve maritime mastery and conquer the seas with confidence and skill! Let's set sail together towards nautical greatness!

 - ABITON:  Timber or iron placed vertically on the deck to secure ropes or cables to it.

 - ABYSS:  Great, imposing, and dangerous depth, such as that of the seas, a gorge, an abyss, etc.

 - ABYSSAL:  Beyond the continental slope and corresponds to depths of over two thousand meters.

 - ADJUSTMENT:  Splice. Joining or fastening two ropes (lines) at their ends.

 - AGAINST:  Also known as a vang or boom vang. Rigging or hydraulic system taken from the mast to the boom, preventing it from lifting. This avoids sail twist and closes the leech. Its function is especially relevant on broad reaches and downwind courses.

 - ALDIS LAMP:  Small portable projector used on board ships to make light signals using Morse code.

 - ALIDADE:  Fixed or movable rule that carries a sighting vane or telescope perpendicularly at each end. Accompanies certain surveying instruments and is used to direct sights.

 - ANCHOR BUOY:  It is the rope that is attached to the anchor on one end and to a buoy on the other end. It reminds us of the anchor's location and facilitates the recovery process if it gets stuck.

 - ANODE:  Sacrificial anode is a piece made of zinc alloy (or magnesium in boats with a metal hull) that is placed in certain areas of the boat's submerged hull to protect the engine and metal parts (propeller, shaft, rudder stock, etc.) from electrolytic corrosion. As the sacrificial anode corrodes, it needs to be replaced annually.

 - ANODIZED:  Electrochemical process used to modify the surface of a metal, thereby achieving greater protection against abrasion and corrosion. Anodizing is commonly applied to the aluminum mast of sailboats, shackles, carabiners, etc.

 - ANTEPORT:  Sheltered space in front of the harbor entrance where boats can anchor while waiting for entry.

 - ATMOSPHERIC STABILITY:  Weather condition that prevents the development of cumulus and cumulonimbus clouds. It is characterized by clear skies or the presence of stratiform clouds.

 - AXIOMETER:  Instrument that measures the angle between the rudder and the ship's centerline.

 - AZIMUTH:  Angle between true north and the vertical of a celestial body or notable point.

 - BACKWASH:  Leather glove with a metal reinforcement on the palm to push the sail sewing needle.

 - BALCONY:  Tubular structure or steel railing located at the stern and part of the guardrail.

 - BAND:  Clamp or ring used to join or strengthen two pieces.

 - BARBER:  Small rigging attached to the sheet or clew of the Genoa, allowing us to change the shape of the sail by moving it closer to the centerline, thus achieving a greater upwind angle.

 - BARE POLE:  Describes a sailboat that has all its sails secured.

 - BAROMETER:  Instrument for measuring atmospheric pressure.

 - BATHYMETRY:  Study of ocean depths through the mapping of isobaths, as well as the distribution of marine animals and plants in their isobathic zones.

 - BATTEN:  Battens. Fiber or wooden sheets inserted inside the sail in the pockets along its leech, shaping its profile.

 - BATTENED DOWN:  Board formed by small planks arranged in a lattice pattern.

 - BEACHING:  Curved piece placed crosswise on the keel to form the frame.

 - BEAM:  Type of flat and round block, without a sheave, with two or three holes through which the lanyards pass.

 - BEATING:  Line used to haul the windward leech of a sail forward to better catch the wind.

 - BELAYING PIN:  Longitudinal reinforcements or battens on the frames.

 - BERMUDA RIG:  Triangular-shaped mainsail, also known as a Marconi sail.

 - BERMUDA SLOOP:  A sailboat rigged with a triangular mainsail and a jib.

 - BILGE STRINGERS:  Transversely arranged beams that support the heads of the frames. They serve to support the deck and provide rigidity to the hull in the transverse direction.

 - BISHOP'S CHAIR:  Thin ropes made fast on each side of the sail, forming the reefing lines.

 - BISHOP'S RING:  Photo meteor caused by the diffraction of light on very fine particles of volcanic origin suspended in the upper atmosphere, appearing as a whitish circle centered on a celestial body.

 - BLOCK:  Metal or wooden piece with a notch where any machinery shaft rests and rotates.

 - BLOCK AND TACKLE:  Iron or wooden ring used for hoisting gaff sails and other purposes.

 - BOATSWAIN:  Experienced seafarer with knowledge of maritime tasks.

 - BOBBIN:  Crown of the windlass with notches or molds where the different links of the chain fit or engage.

 - BOBSTAY:  Height of the highest part of the boat's structure above the waterline.

 - BOLLARD:  Fitting located on the gunwale that serves to support the oars on deck for rowing.

 - BOLSTER:  Very thick rope composed of nine strands or three hawsers.

 - BOLT:  Cylindrical metal piece with a head at one end and a nut or locking device at the other, used to fasten or secure something.

 - BOOM GALLOWS:  Term used for the hooks placed in different parts of the boat to suspend anchors, hoist and lower boats, hatches, or move weights using tackles.

 - BOOM VANG:  Cast iron piece placed on both sides of the stem, used to guide the anchor chain and serve as its housing.

 - BOW:  Said of an object located farther forward than another object it is being compared to.

 - BOWLINE KNOT:  Ropes forming the ladders used to climb the masts.

 - BOWSPRIT:  Thick, horizontal or slightly inclined pole at the bow of a boat used to secure the forestay, guide the jibs, and serve other purposes.

 - BRACING:  Thickness of a rope measured by its circumference.

 - BREAKING LOAD:  Load that causes a rope, cable, or chain to break.

 - BREAKWATER:  Dock or breakwater built in a port or harbor to protect it against storms and open sea waves.

 - BREAKWATER:  Curved plank fitted on the outer part of the stem, which cuts through the water when the boat is sailing.

 - BURDAW:  Cables that run from the mast to the fins in a manner similar to the backstay, with rigging at their ends that allow adjustments to control mast flexion.

 - BUREL:  Thick, hard wooden pin used to easily open the strands of ropes for sewing or splicing.

 - BURNING:  Refers to a boat that has a strong tendency to luff, turning its bow into the wind.

 - BUYS BALLOT'S LAW:  Meteorological rules formulated by Dutch chemist and meteorologist Buys Ballot. They are valuable for determining the position of high and low-pressure centers in relation to wind direction. Facing the wind, the low-pressure center in the Northern Hemisphere will be located to our right (between 90º and 135º), and the high-pressure center to our left. In the Southern Hemisphere, it is the opposite.

 - BY THE SOUND OF THE SEA:  Prepare the boat to set sail by securing the anchors, boats, and other movable gear. Also prepare the boat to face bad weather.

 - CALM SEA:  Calm sea with no waves.

 - CAMBER:  Cabin. In warships, it serves as accommodation for midshipmen.

 - CAPEROL:  Bow fitting of the boat, at the upper end of the stem.

 - CHAIN PLATE:  Metal fitting used to connect the fixed elements of the rigging to the hull: shrouds, stays, and backstays.

 - CHOCK:  Timber on which the keel of a vessel rests when it is beached.

 - CHOPPY SEA:  Waves up to 9 meters.

 - CLIFF:  Tall and prominent rock that rises from the sea near the coastline, formed by the erosive action of waves on the softer parts of a cliff.

 - CLINOMETER:  Instrument for measuring the angle of heel or trim of the boat. Also known as an inclinometer or clinometer.

 - COCKPIT:  Fitting or structural reinforcement on which the mast step rests.

 - CODE ZERO:  It is an asymmetric spinnaker designed for close-hauled courses with light to moderate winds.

 - COFFERDAM:  It is a temporary construction structure used to exclude water from an area that is normally submerged. They are used in the construction of docks, dykes, or bridges.

 - COMMODORE:  Captain of superior seniority or inspector. Bay commander responsible for yacht police, dock order, safety measures, etc.

 - COMMOTION:  Collective effort made by the crew to overcome pressing situations.

 - CONSTRICTOR KNOT:  Bowline or knot used for temporary connections that offers great security. The disadvantage is that if it is tightened too much, it is very difficult to untie.

 - CONTRA JIB:  Jib, smaller and made of thicker canvas than the mainsail, rigged and oriented closer to the centerline, i.e., on its aft face.

 - COVE:  Small inlet where boats can anchor.

 - CREAKING:  Planks that form the lining of the hull.

 - CROWN:  Colored meteor photo in the form of a ring, formed around the sun or moon when the sky is partially covered by altostratus clouds allowing partial passage of light.

 - CUNNINGHAM:  Small eyelet located slightly above the tack of a sail, which allows us to tighten the foot when the halyard is not to be touched. The word is also used in reference to the cunningham tensioning line. It is one of the important lines for sail trim. It allows us to adjust the depth of the sail.

 - CUTTER:  Denomination of a rig consisting of the mainsail, jib, and staysail.

 - DAISY:  Knot that is used to shorten a rope or reduce the strain on a damaged part of it.

 - DINGHY:  Small two-masted boat. A small open boat maneuvered with oars for use in calm waters.

 - DOG-COLLAR FITTING:  Slipknot. It is made by passing the bitter end of the rope through the bight of the loop, forming a slipknot. Also known as a running bowline.

 - DONKEY EARS:  Sailing downwind with the jib set to one side and the mainsail set to the opposite side. Downwind sailing is an open and bearing course.

 - DOWNHAUL:  Any rope or rigging that serves to prevent the fall, slippage, or movement of something. For example, the boom preventer is used to prevent accidental jibes on beam and downwind courses.

 - ENORMOUS SEA:  Waves larger than 14 meters.

 - EQUINOX:  The equinox refers to the moment in the year when, with the Sun over the Equator, day and night are of equal length all over the Earth. This occurs annually on March 20-21 and September 22-23.

 - ESPARTO:  Plant from the grass family that has leaves with durable and resistant fibers used in rope making.

 - FALE:  Rowing boat that is rigged with two masts for sailing.

 - FELLOE:  Shackle that is secured to the anchor eye to make the anchor line fast.

 - FELUCCA:  Light-hulled boat originating from the Mediterranean Sea. It had a heavily raked main mast and a vertical mizzenmast aft of the bowsprit for the jib.

 - FLOATING PLATFORM:  A batea is a floating structure used for mussel farming.

 - FROST:  Phenomenon that occurs when the temperature drops below 0°C.

 - FURLING:  Rope or small rigging used to keep the spinnaker pole in place, and sometimes the boom.

 - FURLING:  Row of curling lines on a knife-edged sail.

 - GAFF CUTTER:  Rigging of a sailboat with a single mast with a gaff mainsail, and three headsails: staysail, jib, and flying jib.

 - GAFF KETCH:  Sailboat rigged as a ketch with gaff sails on the mainmast and mizzenmast, and a jib as the fore sail.

 - GAFF SCHOONER:  Schooner rigged with two masts: mainmast and mizzenmast (higher than the mainmast and located forward of the rudder post), with a gaff sail and topsail on each mast, and a jib and staysail at the bow.

 - GALE:  Contact between the sail and the rigging, mast, or itself due to the effect of the wind.

 - GARBI WIND:  Southwest wind (SW).

 - GENNAKER:  Hybrid sail between a genoa and a spinnaker. It is hoisted without a pole, with the tack attached to the bow. Also known as an asymmetric spinnaker.

 - GENOA TRACK:  Metal bar to which the sheet block is attached and through which the sheet block moves.

 - GOOSE:  Canvas hammock where the crew sleeps.

 - GRIMPOLA:  Pennant or vane located above the masthead, indicating the wind direction.

 - GROMMET:  Articulation on which the boom moves when it is attached to the mast.

 - GROWLER:  Small piece of ice detached from an iceberg.

 - HATCH:  Windows installed on the sides of the boat. They can be fixed or operable.

 - HEAVING TO:  Maintaining a position relative to the seabed. In stormy conditions, it means keeping the bow to the waves with reduced sail to compensate for the effect of leeway.

 - HEAVY SEA:  Waves up to 4 meters.

 - HINGE:  Hinge. Articulation of two pieces.

 - INCLINOMETER:  Instrument for measuring the angles of heel or trim of the boat. Also known as an inclinometer or clinometer.

 - INKWELL:  Female fitting of the grommet in which the pin fits. Small iron cup on which the foot of a davit, a strut, etc., rests.

 - ISOHYET:  Isoline drawn on a synoptic chart connecting points where equal amounts of precipitation are recorded.

 - ISOTHERM:  Isoline drawn on a synoptic chart connecting points where the temperature has the same value.

 - JÁBEGA:  Smaller fishing vessel than a xebec. Fishing net that is thrown from the shore using very long ropes.

 - JACKLINE:  Special harness with a seat base that, attached to a halyard, is used to hoist a crew member up to the top of a mast, typically with the help of a winch.

 - JACKSTAY:  Jib sheet tackle. Rigging located on the boom that allows adjusting the foot of the mainsail. By easing it, we bag the mainsail, and by tensioning it, we flatten it.

 - JIB:  Space on the upper deck between the main mast and the bow castle.

 - JIB:  The forwardmost mast on a vessel. Sail set on this mast. Jib rigged on a lower stay.

 - KETCH:  Sail rig with two masts, with the forward mast taller than the aft mast. The aft mast, or mizzenmast, is located in front of the helm and the rudder axis. Fore sail: jib.

 - LANDING NET:  Minor fishing gear, individual, consisting of a net bag attached to a frame with a handle, when the catch is of low weight, or equipped with cords to throw and then overturn it, if the catch is heavier.

 - LANYARD:  Steel cable used for towing.

 - LASHING:  Assembly of twisted fibers. Several yarns make up a strand, and several strands make up a rope.

 - LATEEN SAIL:  Trapezoidal sail with the leech secured to the peak, the luff attached to the mast, and the foot to the boom.

 - LATIN SAIL:  Triangular sail set on a gaff, typically used by small vessels.

 - LAUNCH:  Act of launching (putting a boat in the water).

 - LAZZARA JACKS:  Lines rigged from the mast to the boom to secure the mainsail when lowered, preventing it from falling onto the deck.

 - LEAGUE:  Measure of length equivalent to three nautical miles.

 - LEECH LINE:  The leech line is a rope sewn into the leech or foot of a sail to reinforce it. The leech rope fits into the mast groove and secures the sail.

 - LEEWARD:  Peak boom used in the gaff sail.

 - LIFELINE:  Moderately thick rope passed through the eyes of the thimbles and used to tension the thicker rope in which they are spliced.

 - LIGATURE:  The binding or hitch knot is one that is tied around an object or another rope that is not part of the knot.

 - LIMBO:  Apparent outline of a celestial body.

 - LISTING:  It is the curved cut of the foot of a sail to increase its surface area.

 - LITOMETEOR:  Meteorological phenomenon related to the suspension of non-aqueous solid particles in the atmosphere or lifted from the ground by the wind. Examples include haze, dust storms, or sandstorms.

 - LLAUT:  The llaut, also known as llagut or llaud, is a small fishing or coastal vessel rigged with a lateen sail.

 - LOOKOUT:  Sentinel at the top of the rigging.

 - LUFF:  Lee side of the sails.

 - MAFOR:  Abbreviation for Marine Forecast, which is a marine weather forecast. It consists of a five-digit numerical code transmitted by radio in marine weather bulletins. The MAFOR forecast includes information about the validity period of the forecast, forecasted wind speed and direction, as well as weather, visibility, and sea state.

 - MAGNUS KNOT:  Bowline knot also known as rolling hitch or anchor bend. It is very similar to the clove hitch and equally secure.

 - MANGROVE:  Mangrove is the only tree that grows in a marine environment. It belongs to the Rhizophoraceae family, reaches a height of three to four meters, with long and extended branches that descend to touch the ground and take root in it. It has petiolate, opposite, entire, elliptical, obtuse, and thick leaves, axillary yellowish four-petal flowers, small and almost round dry fruit with a leathery bark, and many aerial roots. It is native to tropical countries, and the leaves, fruits, and bark are used in tanneries.

 - MARCONI:  Triangular mainsail, also called Bermuda.

 - MARCONI CUTTER:  Rigging of a sailboat with a single mast with a Marconi or triangular mainsail and two headsails: jib and staysail.

 - MARCONI KETCH:  Sailboat rigged as a ketch with a triangular or Marconi mainsail, mizzenmast, and jib as the fore sail.

 - MARCONI SCHOONER:  Schooner rigged with two masts: mainmast and mizzenmast, with a triangular or Marconi mainsail, and a jib and staysail at the bow.

 - MARCONI SLOOP:  Single-masted sailboat with a Marconi mainsail and a jib. Equivalent to a Bermuda sloop.

 - MARCONI YAWL:  Two-masted sailboat rig: triangular or Marconi mainsail and mizzen, with the latter located behind the rudder post. Fore sails: jib and staysail.

 - MELTEMI:  Dry north wind prevailing in the Aegean Sea during the summer. It blows irregularly from the north or northwest starting in early June, reaches its maximum intensity in July, August, and September, and ceases in October. During July and August, it tends to blow with a strength of force 5-6, occasionally reaching force 7 or 8. In June and September, it is usually milder, typically force 3-4.

 - METEOR:  Phenomenon observed in the atmosphere or on the surface of the Earth.

 - METICULOUS:  Stormy, tempestuous.

 - MIZZEN:  Solid short oar with a round handle and a heart-shaped blade, which does not require a rowlock.

 - MODERATE SEA:  Waves up to 1.25 meters.

 - MOUNTAINOUS SEA:  Waves up to 14 meters.

 - MYLAR:  Synthetic material used for making sails.

 - NADIR:  Astronomical term describing the point on the celestial sphere diametrically opposite the zenith.

 - NASA:  Basket or cage constructed for fishing.

 - NAVTEX:  Electronic device that allows receiving information about weather conditions, meteorological alerts, tide information, restricted navigation areas, etc.

 - NORTH WIND:  Moist and mild southwest wind that blows in the Atlantic region of Spain and Portugal.

 - ONE-THIRD SAIL:  A headsail hoisted on a slanted yard with the halyard closest to the bow.

 - OPPOSITE FURLING:  Line used to keep the boom horizontal and prevent it from lifting.

 - PLEASURE BOAT:  Sand or mud bank.

 - PRANK:  Mollusks that adhere to the hull of a vessel or boat.

 - QUARTER:  Name of any of the 32 compass points or winds into which the compass rose is divided, each corresponding to 11° 15'.

 - RAFT:  Balsos are loops made with ropes, commonly used as harnesses for person rescue.

 - RAGGED:  A situation in which a sailboat carries too much sail area for the existing wind strength. The sailboat sails with excessive heel, outside the designed waterlines.

 - RAINBOW:  It is a photo meteor produced by the refraction and reflection of sunlight in water droplets suspended in the atmosphere. It appears as a luminous arc on the horizon opposite the sun, composed of seven colors.

 - RAMMING:  Flapping of a sail when it is loose. The sudden pitch and roll of a vessel when the bow falls after being lifted violently by a wave.

 - RIFING:  Tearing or rupture of a sail.

 - RIP TIDE:  Meteorological phenomenon that occurs in some areas of the Mediterranean, especially in Ciutadella (Menorca), causing a sudden rise and fall of sea level in a short period of time.

 - RIPPLE:  Waves up to 10 centimeters.

 - ROLL:  Shout or chant of sailors, working together in a maneuver, to synchronize the effort of everyone.

 - ROUGH SEA:  Waves up to 2.5 meters.

 - ROWLOCK:  Instrument formerly used to obtain the altitude of celestial bodies.

 - SAGULA:  Fine halyard used to hoist flags.

 - SAIL CENTER:  Imaginary point where the resultant of the apparent wind's action on the sails is applied.

 - SALABARDO:  Net bag or sleeve placed on an iron ring with three or four cords tied to a thin rope. It is used to retrieve fish from large nets.

 - SARGASSO:  Brownish-red algae abundant in certain sea areas, forming meadows known as "Sargasso Sea."

 - SARGASSO SEA:  The Sargasso Sea is a region in the northern Atlantic Ocean that extends between meridians 70° and 40° W and parallels 25° to 35° N, characterized by the frequent absence of winds, ocean currents, and the abundance of plankton and algae.

 - SCHOONER:  Slender boat with low freeboard, two masts, and sometimes three, with a lateen sail on each. The schooner rig is characterized by having a taller aft mast than the forward mast.

 - SHOEMAKER:  Refers to someone who maneuvers poorly or does not understand the maneuver.

 - SHORTENING KNOTS:  They are used to shorten ropes, either because they have a damaged area or because their length needs to be reduced. In the case of damaged ropes, the affected area can be left inside the knot so that it does not receive tension. The most well-known is the figure-eight knot.

 - SHROUD:  Temporary navigability document issued by the authorities of a country.

 - SKEG:  Fin or extension aft of the keel of boats that have a rudder mounted on the centerline.

 - SLIGHT SEA:  Waves up to half a meter.

 - SLING:  A looped rope, generally in the form of a ring, that surrounds an object to lift it.

 - SLOOP:  A sailing vessel of the ketch type with fore-and-aft rigging and a single mast more advanced than the mast of a cutter. The foretriangle of a sloop is smaller than that of a cutter, and unlike a cutter, a sloop generally only carries a headsail (either a jib or genoa) hoisted on the single forestay.

 - SMOOTH SEA:  Swell. Movement of waves (also called wave or wave system) that propagates beyond the area where it is generated, reaching distant locations.

 - SNOW SQUALL:  Fine sleet storm.

 - SOUL:  Central portion of a rope or cable around which the strands are laid.

 - SPAR:  Length measurement used in different regions of Spain with different values, ranging from 768 to 912 mm.

 - SPECTRA:  Highly resistant synthetic fiber.

 - SPRIT:  Spar of the lateen sail, which, when not in one piece, consists of two parts, yard and boom, connected by a rope called the enchina, allowing them to slide and adjust the total length.

 - SQUALL:  Atmospheric phenomenon characterized by a significant variation in wind speed. It starts suddenly, lasts for a few minutes, and quickly decreases in speed. Often accompanied by rain or storms.

 - STAMPING:  Action of cleaning wooden decks with water, sand, and a piece of rope rubbed with the foot.

 - STAVE:  Mooring a boat next to another with the bows in the same direction.

 - STAY:  Opening made in the hull of the boat to accommodate the rudder stock.

 - STAYSAIL:  Much smaller sail than the jib, made of thinner canvas, and set outside and higher than the jib.

 - STAYSAIL STAY:  Rope with a diameter of 12 to 25 cm, consisting of three or four right-laid strands and measuring 100 or more fathoms in length, used onboard and ashore.

 - STERN DRAG:  Longitudinal curvature given to the hull, producing an elevation of the bow and stern to prevent shipping of water.

 - STROBE LIGHT:  Piece of rope with loops on both ends used to supplement a halyard, rigging, or raise the tack of a sail.

 - SUDDEN LURCH:  Synonym of "tacking." Turning a boat so that the wind forms smaller angles with the bow direction.

 - SYZYGY:  In astronomy, it is the moment when a planet or the Moon is directly in line with the Earth and the Sun.

 - TACK:  Said of an object located farther aft than another object it is being compared to.

 - TACKING:  Felt disc or other material crossed by a threaded shaft with a hinged transverse arm at its end, used to plug small leaks.

 - TALLBOY:  Narrow staysail located just ahead of the main mast.

 - TAUT GUY:  The as de guía can also be made with one end of the rope under tension.

 - THERMOCLINE:  The thermocline is an invisible layer of water located a few meters below the sea surface, where the water temperature experiences a drastic decrease.

 - TILLER:  Top finish of a mast or flagpole.

 - TO ADJUST:  Join two ropes by their ends with knots or splices.

 - TO ARCH:  Measure the volume of a vessel based on its volumetrics.

 - TO BALLAST:  Pull on a taut line and take in as much as allowed to make it tighter.

 - TO BATTEN:  Maneuver performed by turning the sailboat bow into the wind to stop its motion.

 - TO BEAT:  Impact of ocean waves against a boat or dock.

 - TO BRACE:  Action of placing a spinnaker pole on the sail to open it to the wind. One end of the pole is inserted into the cringle of the sail's sheet, while the other end is secured to the mast.

 - TO CAPSIZE:  Securing a rope or cable to a fixed point.

 - TO CARRY:  A sail is said to be "trimming" when it is properly oriented, fully harnessing the force of the wind.

 - TO CLEAR UP:  Referring to rigging, it means neatly arranging the ropes and setting up the running rigging to work without tangles. Referring to weather, it means clearing the clouds or fog.

 - TO COLLAR:  Tension well and make the collar gaskets secure.

 - TO CROWD:  Submerge the bow of the boat in the water.

 - TO DISMANTLE:  Sailing close-hauled, with the wind on the bow, on a course more open than close-hauled but tighter than a beam reach.

 - TO FLOG:  Securing the bitter end to a rope by making tight turns with thread. The thread thickness should not exceed 1 mm, and its color should contrast with that of the rope.

 - TO FLOOD:  Flood. Cover a place with water.

 - TO FRESHEN:  Increase the wind speed by one degree or more on the Beaufort scale. The opposite of "to calm down."

 - TO FURL:  Action and effect of collecting a small rope.

 - TO FURL:  Take in the reefs to reduce the sail area. Equivalent to reefing the sail.

 - TO HAUL:  Suspend and firmly secure large weights on the sides of the boat by the outer band.

 - TO HEAVE TO:  Reducing the speed of the boat as much as possible without coming head to wind. It is also called heaving to.

 - TO HUDDLE:  Push the wind or current towards the coast, beach, or dangerous place.

 - TO LENGTHEN:  Change in wind direction towards the stern.

 - TO NAIL:  Tightly tighten or secure a rope or knot so that it is very difficult to loosen.

 - TO REEF:  A sail breaking due to the force of the wind or a mishandling.

 - TO RIDE THE WAVES:  Secure or fasten with lashings.

 - TO SECURE WITH LIFELINES:  To tension one of the leech lines of a sail.

 - TO SET AGAINST:  Attaching the bitter end of a rope to the anchor shank.

 - TO SHACKLE:  Joining two anchors to secure anchoring. It is advisable to leave at least 10 meters of chain between them. The shank of one anchor is connected to the shackle of the other.

 - TO SPONSOR:  Join or pair two things (can be two boats) in order to reinforce one of them or produce greater overall resistance. Often used as a synonym for "abarlour."

 - TO SPREAD:  Attaching a sail to its yard or stay.

 - TO STEER BY THE MOON:  To have the wind on the leeward side, jibing.

 - TO TACK:  Arrange and organize things on board. Also, prepare the boat to face bad weather or a pronounced list (putting the boat "to the sea's way").

 - TO TACK:  Sailing close-hauled means sailing against the wind at the smallest possible angle with the bow. Equivalent to close-reaching or sailing close to the wind.

 - TO TRANSFER:  The action of pumping water or fuel from one tank to another.

 - TO WALK THE DECK:  Rope placed as a handrail.

 - TO WARP:  To sail upwind from a sailing vessel that is hove-to. To move a boat or other small craft by using a single oar placed in the center of the stern, moving it alternately from side to side.

 - TO WEIGH ANCHOR:  Securing a buoy to the anchor cable and buoy, in order to mark the anchor's vertical position and facilitate its subsequent recovery.

 - TONNAGE:  Capacity or total volume of a boat expressed in volume units. The internationally accepted unit is the register ton, tonnage, or Moorson ton, which equals 2.83 cubic meters.

 - TRADE WINDS:  The trade winds are winds (between 23°27' north and 23°27' south) that blow regularly from east to west from the subtropical high-pressure areas (subtropical ridge) to the equatorial low-pressure areas (intertropical convergence zone).

 - TRADE WINDS:  Relatively constant winds in direction and intensity, blowing between the tropics (from 30° latitude to the equator). They are northeast in the Northern Hemisphere and southeast in the Southern Hemisphere. They are formed due to the Coriolis effect.

 - TRAPEZE:  Wire rigged on or next to the cap shroud, ending in a handle. Allows the crew member to go beyond the deck to right the boat.

 - TRAVEL LIFT:  Motorized crane used to lift boats out of the water and take them to their dry dock berth. It has two slings that are used as support points to hoist the boat.

 - TRIANGULAR SAIL:  Headsail that does not reach the masthead or the bow. Complements the Genoa or spinnaker on open courses.

 - TRIP:  The change in direction of the anchor chain of a moored vessel after it has rotated 360°.

 - TROLLING:  It is a type of sport fishing that involves trolling the rig from a boat. Artificial lures attached to rods or lines attached to the boat are generally used.

 - TROPIC YEAR:  Time interval between two consecutive and actual passages of the Earth or apparent passages of the Sun through the same equinox or solstice. It consists of 365 days, 5 hours, 48 minutes, and 48 seconds.

 - TROUGH:  Fixed pulley on the deck, mast, or boom that can be opened on one side to pass a rope through it.

 - TUNA TRAP:  Large-sized net arranged vertically in the water and oriented perpendicular to the coast and at a short distance from it, in areas where tunas pass through, to lead them into a closed enclosure where they are captured.

 - TURK'S HEAD:  Decorative knot with a variable number of intertwined strands, forming a closed loop.

 - TWIST:  Shape (or twist) assumed by the batten of the mainsail. The main control of the twist is the mainsail sheet. By trimming in, we close the batten; by easing, we open it. To achieve proper twist, the upper batten of the sail should remain parallel to the boom.

 - URCA:  Wide-beamed transport ship used until the 18th century.

 - VEERING:  Wind blowing from the sea toward the land. Also known as a sea breeze.

 - VERDIGRIS:  Filamentous green algae attached to a boat's hull when it remains in the water for an extended period. Also called "beard."

 - VERY HEAVY SEA:  Waves up to 6 meters.

 - VIRGA:  Precipitation that evaporates before reaching the surface level.

 - WARP:  Longitudinal direction of a fabric.

 - WATERSPOUT:  Rotating column of air violently swirling over a body of water, formed between the base of a storm cloud and the sea. Often visible as a funnel.

 - WIND VANE:  Row of curling lines on the leech of the lugsail, parallel or almost parallel to the foot.

 - WISHBONE:  Type of rigid, double boom with an elliptical shape. Used in windsurfing boards and some jibs.

 - WORKING:  Said of the rope or sheet that is under tension.

 - WORM:  Pin that closes the ends of a shackle.

 - YACHT CAPTAIN:  Spanish certification that authorizes the governance of recreational vessels with the following attributes: Governance of recreational motor or sail vessels without any limitations, regardless of motor power and vessel characteristics. However, those with a length exceeding 24 meters must comply with the safety regulations specifically established for them.

 - YARD:  Specially shaped spar to which the leech of a sail is secured.

 - YARD:  Unit of length used in the US and UK: 1 yard = 3 feet = 0.9144 meters.

 - YAWL:  Two-masted sailboat rig: mainmast and mizzen, with the latter located behind the rudder post. The surface area of the mizzen sail does not exceed ten percent of the total area.

 - YOKE:  Each of the timbers or metal angles bolted to the transom to form the stern, along with the planking. Ring that encircles the base of a cannon and is considered part of it. Its purpose is to provide a connection between the cannon and the carriage.

 - ZENITH:  In astronomy, zenith is the part of the celestial vault located vertically above the observer.

 - ZENITH:  Zenith. Part of the celestial vault located directly above the observer.