(sports) A class of monohull sailing racing yacht, a type of supermaxi.

A motorboat used by flag officers for harbour transport.

(military) A cruiser equipped with sophisticated defenses against missile and air attack.

(military) An Aegis class cruiser.

(military) Designed to attack a naval ship.

(military, nautical) A warship converted from a merchant ship by the installation of weaponry, primarily for use in commerce raiding or defense against same.

(military) A type of cruiser (the warship) common in the late 19th and early 20th centuries, carrying a small number of moderately-heavy main guns plus a large secondary battery of smaller guns and with armor protecting the sides and upper and lower decks, but lighter and with thinner armor and less powerful guns than a battleship; a mainstay of battle fleets around the turn of the 20th century, but displaced from this role by the more powerful battlecruiser after ca. 1908, becoming obsolescent by the time of WWI.

Alternative spelling of armored cruiser [(military) A type of cruiser (the warship) common in the late 19th and early 20th centuries, carrying a small number of moderately-heavy main guns plus a large secondary battery of smaller guns and with armor protecting the sides and upper and lower decks, but lighter and with thinner armor and less powerful guns than a battleship; a mainstay of battle fleets around the turn of the 20th century, but displaced from this role by the more powerful battlecruiser after ca. 1908, becoming obsolescent by the time of WWI.]

(military, nautical) An armed merchantman, typically used as a commerce raider or as a convoy escort.

An aircraft carrier or helicopter carrier, especially a relatively small one with heavy armaments typically found on a cruiser.

A mid-sized colonial warship

Alternative form of battlecruiser [(military, nautical) A fast warship with thicker armor and heavier guns than a typical cruiser, but with armor, armament, or both still inferior to that of a dreadnought battleship; designed to act as an advanced scout of the battle fleet and to destroy enemy cruisers.]

Obsolete spelling of battleship [(military, nautical) A large capital warship displacing tens of thousands of tons, heavily armoured and armed with big guns; now obsolescent and replaced by smaller vessels with guided missiles.]

Alternative form of battlecruiser [(military, nautical) A fast warship with thicker armor and heavier guns than a typical cruiser, but with armor, armament, or both still inferior to that of a dreadnought battleship; designed to act as an advanced scout of the battle fleet and to destroy enemy cruisers.]

(military, nautical, historical) A hybrid between a battleship and an aircraft carrier, with both one or more heavy gun turrets and a large aircraft hangar and flight deck.

(military, nautical) A fast warship with thicker armor and heavier guns than a typical cruiser, but with armor, armament, or both still inferior to that of a dreadnought battleship; designed to act as an advanced scout of the battle fleet and to destroy enemy cruisers.

(military, nautical) A large capital warship displacing tens of thousands of tons, heavily armoured and armed with big guns; now obsolescent and replaced by smaller vessels with guided missiles.

(nautical) A battleship.

Belgium Naval Ship. A NATO designation for ships of the Belgian Naval Component.

An autonomous underwater vehicle launched in 2017, currently in service with the British Antarctic Survey to study the polar oceans.

(military, nautical, historical) A ship armed with high-angle mortars firing explosive or carcass shells, and specialized for shore bombardment.

Synonym of bomb ship

(nautical) A vessel used to refuel ships with coal or bunker fuel.

(US, nautical) Initialism of armored cruiser, a type of warship [(military) A type of cruiser (the warship) common in the late 19th and early 20th centuries, carrying a small number of moderately-heavy main guns plus a large secondary battery of smaller guns and with armor protecting the sides and upper and lower decks, but lighter and with thinner armor and less powerful guns than a battleship; a mainstay of battle fleets around the turn of the 20th century, but displaced from this role by the more powerful battlecruiser after ca. 1908, becoming obsolescent by the time of WWI.]

Of a freight ship or oil tanker: exceeding the maximum dimensions of all major canals (Panama, Suez, etc.), therefore having to use one of the Cape routes to pass from ocean to ocean.

(nautical) Any of the most important types of warships, capable of projecting a fleet in being.

(sailing) A sliding fitting that runs along a track.

(nautical) Any vessel designed to carry cargo.

(military, nautical) nuclear-powered guided-missile cruiser (warship)

(nautical) The place on a (Royal Navy) ship in which the course is plotted manually on charts

Of a freight ship: conforming to the regulations concerning maximum permitted width, length, and draft allowed in Chinese ports.

(nautical) a small warship used in the Royal Navy during the First World War that carried torpedoes, mines or depth charges.

(nautical) In a modern navy, a lightly armed and armoured blue water warship, smaller than a frigate, capable of transoceanic duty.

(nautical, British Royal Navy) Those vessels attendant on a fleet, such as cutters, schooners, and gun-boats, generally commanded by lieutenants.

(nautical) Synonym of cruise ship

A ship that combines the features of a cruise ship and a ropax ferry.

Alternative spelling of cruise liner [(nautical) Synonym of cruise ship]

(nautical) A class of fast warships of medium tonnage, having a long cruising range but less armour and firepower than a battleship.

Alternative form of cruise ship [(nautical) A passenger ship used for pleasure voyages, where the voyage itself and the ship's amenities are considered an essential part of the experience.]

(UK) A waterway designated for the use of recreational boat traffic.

A steamship operated by the Cunard Line.

(US, navy) aircraft carrier (“Cruiser Voler”), a diesel-powered warship launching and landing heavier than air flying vehicles (a nuclear-powered one is a CVN)

(military, US) nuclear-powered aircraft carrier

(military) A larger warship with guided missile armament, usually intended for air defence or anti-ship roles. Often, but not always, larger than a frigate and smaller than a cruiser.

(US, military, nautical, historical) A type of warship, lighter in armor and armament, and slower than a destroyer, originally used for convoy escort during World War II; now considered a frigate.

(military, nautical) a warship, a type of destroyer used to lead a division, flotilla or squadron at sea and in combat, a heavy destroyer variant with larger displacement for command and control.

Alternative spelling of dreadnought [(military, nautical, historical) A battleship, especially of the World War I era, in which most of the firepower is concentrated in large guns that are of the same caliber.]

(informal) A type of warship heavier in armour or armament than a typical battleship.

Alternative form of ferryboat [(nautical) A boat used to ferry passengers, vehicles, or goods across open water, especially one that runs to a regular schedule]

Abbreviation of frigate, a type of warship. [(historical) A sailing warship (of any size) built for speed and maneuverability; typically without raised upperworks, having a flush forecastle and tumblehome sides.]

Alternative spelling of fifth-rate [(UK, military, nautical, historical) Of a Royal Navy warship in the Napoleonic Era: having 32–44 guns across one or two gun decks, a complement of 200–300, and weighing 700–1,450 tons burthen.]

(UK, military, nautical, historical) Of a Royal Navy warship in the Napoleonic Era: having 32–44 guns across one or two gun decks, a complement of 200–300, and weighing 700–1,450 tons burthen.

(historical) A wooden ship set alight and then sent floating into an enemy flotilla, with the aim of spreading the fire among them.

(UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having at least 100 guns across three gun decks, a complement of 850–875, and weighing approximately 2,500 tons burthen.

(US, navy, informal) An aircraft carrier.

ocean liner with four funnels

Alternative spelling of fourth-rate [(UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having 50–60 guns across two gun decks, a complement of 320–420, and weighing approximately 1,000 tons burthen.]

(UK, military, nautical, historical) A fourth-rate ship of the line.

A modern type of warship, equivalent in size or smaller than a destroyer, often focused on anti-submarine warfare, but sometimes general purpose.

Obsolete form of frigate. [(historical) A sailing warship (of any size) built for speed and maneuverability; typically without raised upperworks, having a flush forecastle and tumblehome sides.]

(nautical, informal) A style of traditional motor yacht, typically low-set with vertical all-round windows and traditional woodwork.

A very large luxury yacht, bigger than a megayacht.

Of a class of freight ships which have a small cargo capacity. Divided into size dependent sub-category descriptions including handy, handymax, supramax.

(nautical) A type of cruiser, characterised by its heavy armament.

(nautical) A type of frigate, characterised by its heavy armament.

(archaic, military) A superheavy tank; a supertank.

(military, nautical) a sea-going military light ferry designed to assault shores that are held against them, and disembark forces directly onto the shore

The naval designation for a type of landing ship used during the Second World War to carry tanks, cargo, and to land troops.

(military, nautical, historical) A very large, fast warship with a relatively-shallow draft and minimal belt armor, carrying a relatively-small number of very heavy guns; sometimes classed as a type of battlecruiser.

(nautical) A simple, cheap cargo ship built in the United States during World War II.

A watertight boat or box, travelling on a line from a wrecked vessel to the shore, and used to haul people through the waves.

Alternative form of lifeboatman [A man who crews a lifeboat.]

Synonym of tall ship

(nautical) Initialism of motor trawler. A trawler fishing vessel propelled by an internal combustion engine, instead of sails or steam engine

(nautical) Initialism of motor vessel. [(nautical) synonym of motor ship]

Description applied to freight ships, conforming to the regulations concerning maximum permitted draft allowed to pass through the Malacca Straits.

(naval) A non-judicial punishment ("NJP"); a disciplinary hearing under which a commanding officer studies and disposes of cases involving those under his command.

Alternative spelling of megaship [a very large ship; a ship that is among the world's largest]

A very large luxury yacht.

A warship which lays naval mines; (collectively) ships which deal with naval mines.

(nautical) One of a class of relatively small armored warships with only one or two turrets (but often carrying unusually large guns for a warship of its size), usually designed for shore bombardment or riverine warfare rather than open-ocean combat. [from 1862]

A vessel or aircraft that serves or carries a smaller vessel or vessels that operate independently from it.

(nautical) A small pleasure craft that is fitted with an engine

Alternative spelling of motorsailer [(nautical) A vessel (usually a pleasure craft) that has been designed for both sailing and motor operation.]

(nautical) A seagoing vessel powered by an internal combustion engine, usually a diesel. Compare with steamship.

(nautical) synonym of motor ship

Alternative form of motoryacht [A yacht powered by a motor, and not sails]

(nautical) A vessel (usually a pleasure craft) that has been designed for both sailing and motor operation.

A yacht powered by a motor, and not sails

Initialism of motor yacht (diesel-driven yacht)

(dated, boats) One of the secret British Q-ships, also known as "decoy vessels" or "special service ships", which served as submarine decoy vessels during World War I.

(historical) Synonym of carrack

(nautical) a narrow-beam passenger ship designed for high speed trans-oceanic travel

(nautical) a passenger ship

(nautical, historical) A galleon, especially a Spanish one, carrying a cargo of precious metals and other treasure.

(nautical) Any of a class of German cruisers, having guns normally found on a battleship, operated during World War II; a battlecruiser.

(nautical, of a battleship etc) Having guns of two or more different calibres

Larger than Panamax. Describes ships that exceed the maximum dimensions of a Panamax ship.

(nautical, military, historical) A late 19th-century or early 20th-century battleship with a small number of big guns (typically no more than four) and a large number of quick-firing medium-caliber guns. It was made largely obsolete in 1906 by the dreadnought type of battleship.

(nautical) Alternative form of pre-dreadnought. [(nautical, military, historical) A late 19th-century or early 20th-century battleship with a small number of big guns (typically no more than four) and a large number of quick-firing medium-caliber guns. It was made largely obsolete in 1906 by the dreadnought type of battleship.]

(military, nautical) A warship that is not the flagship of a fleet or squadron.

(military, nautical) A type of cruiser (the warship) carrying moderately-heavy main guns (although considerably lighter than those of a battleship) in armored turrets or other enclosures and having the machinery and magazine spaces protected by an armored lower deck, but leaving the sides of the ship unarmored (relying on the ship's coal bunkers to absorb hits to the sides of the hull) to save weight and allow for a high speed and long range; common in the late 19th century, but rendered obsolescent by the armored cruiser around 1900 as technological advances reduced the weight penalty of a side-mounted armor belt and made warships lacking belt armor increasingly vulnerable to enemy gunfire.

(military, US) A type of fast motor torpedo boat used by the US Navy during World War II.

(military) A merchant ship with concealed weaponry, designed to lure submarines into making surface attacks.

(nautical) A frigate appointed to attend an admiral in a fleet, and to repeat the admiral's signals.

A boat designed for use at sea.

(countable) A ship or other vehicle capable of travelling on the ocean.

(obsolete) a ship designed to tend to the needs of seaplanes, floatplanes and flying boats at sea, for resupply, refueling, sometimes including catapult launch

Alternative spelling of second-rate [(UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having 80–98 guns across three gun decks, a complement of 700–750, and weighing approximately 2,200 tons burthen.]

(UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having 80–98 guns across three gun decks, a complement of 700–750, and weighing approximately 2,200 tons burthen.

A type of advanced pre-dreadnought battleship from the very early 20th century, carrying a main armament composed entirely of big guns of different calibers (typically having four guns of the largest caliber, plus a larger number of smaller big guns). It was superior to earlier pre-dreadnoughts, but still not as powerful as the dreadnought introduced in 1906.

Alternative form of semi-dreadnought [A type of advanced pre-dreadnought battleship from the very early 20th century, carrying a main armament composed entirely of big guns of different calibers (typically having four guns of the largest caliber, plus a larger number of smaller big guns). It was superior to earlier pre-dreadnoughts, but still not as powerful as the dreadnought introduced in 1906.]

(historical) A ship having seventy-four guns.

(nautical) A canal designed for use by ships

(nautical, military) A large square-rigged warship large enough to have a place in the line of battle, with up to 140 guns on at least two decks. A capital ship from the age of sail, superior to a frigate; usually, a seventy-four, or three-decker.

Alternative spelling of sixth-rate [(UK, military, nautical, historical) Of a Royal Navy warship in the Napoleonic Era: having 20–28 guns on one gun deck, a complement of 140–200, and weighing 340–550 tons burthen.]

(UK, military, nautical, historical) Of a Royal Navy warship in the Napoleonic Era: having 20–28 guns on one gun deck, a complement of 140–200, and weighing 340–550 tons burthen.

(historical) The fleet of warships sent by Philip II of Spain against England in 1588.

(colloquial or historical) Collectively, the wooden boats used by the United States military, chiefly in World War Two.

Alternative spelling of steamboat. [A boat or vessel propelled by steam power.]

A steam-powered ocean liner.

(Britain, slang) a shore establishment of the Royal Navy and some Commonwealth navies.

Alternative form of supercruiser [(military, nautical, obsolete) Synonym of battlecruiser]

Alternative form of supercruiser [(military, nautical, obsolete) Synonym of battlecruiser]

Alternative form of superdreadnought [A battleship of a class more powerful than the earlier dreadnoughts.]

(nautical) A type of frigate, characterised by its very heavy armament.

(informal) The largest type of aircraft carrier, usually displacing over 70,000 long tons.

(military, nautical, obsolete) Synonym of battlecruiser

A battleship of a class more powerful than the earlier dreadnoughts.

(informal) An especially large ship.

An extremely large tanker ship.

(nautical) A very large, industrialised trawler

A ship used to transport supplies to offshore installations such as oil and gas platforms.

(nautical, military) A warship that floats on the surface of the ocean, as opposed to a submarine. Aircraft carriers are also generally excluded.

A military (naval) vessel designed for operation on the marine surface, as distinguished from a submarine or other types of vessels. Aircraft carriers are also generally excluded.

Initialism of steam yacht: steam-powered yacht

Alternative spelling of third-rate [(UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having 64–80 guns across two gun decks, a complement of 500–650, and weighing approximately 1,750 tons burthen.]

(UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having 64–80 guns across two gun decks, a complement of 500–650, and weighing approximately 1,750 tons burthen.

A German battleship during the Second World War, the sister ship to the Bismarck.

(military, nautical, chiefly historical) A large warship using torpedoes (the self-propelled naval weapons) as its primary armament.

One who tows.

(obsolete) A kind of vehicle used for conveying timber and heavy articles.

(military, nautical, informal) A battleship with an unusually-large number of main-battery turrets (generally five or more).

A warship of the 19th century, having the guns mounted in a revolving turret, instead of a broadside arrangement.

(historical) A Korean armored warship with iron spikes on its deck, chiefly known for being used in the Imjin War (1592—1598) against the Japanese by Admiral Yi Sun-sin.

A sail warship, which carried her guns on two fully-armed decks. Usually additional guns were carried on the upper works (forecastle and quarterdeck) but this was not a continuous battery so was not counted. Two-deckers ranged all the way from the small 40-gun fourth-rate up to 80- or even 90-gun ships, with the third-rate or "seventy-four" being the archetype.

A narrow, utility cart with tall handles on both ends that is used to carry loads of retail products to be sold, so named because its shape is roughly that of a capital U.

(nautical) a type of supertanker, the largest class of crude carrier or oil tanker, having a capacity of 320,000–550,000 DWT

(nautical) Abbreviation of very large crude carrier. (the second largest category of crude carrier or oil tanker) [(nautical) a type of supertanker, the second largest class of crude carrier or oil tanker, having a capacity of 160,000–320,000 DWT]

Any ship built or armed for naval combat.

(military, nautical, historical) A battleship or battlecruiser cancelled or downsized as a result of the Washington Naval Treaty.

A boat that operates like a bus, as a means of public transport.

(nautical) A small boat that can transport small groups of passengers for a fee

(chemistry) An open container, often disposable, used for weighing samples

(music) A smooth, melodic form of soft rock music of the late 1970s and early 1980s.

Synonym of yachtsmanship

One of a class of battleships used by the Imperial Japanese Navy during the Second World War.