(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.

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

Obsolete spelling of battleship

A ship that is intended to serve as a mobile hospital with appropriate equipment and personnel.

A ship with masts and sails, powered by the wind.

(historical) A ship that carried Irish emigrants escaping the potato famine, usually with an extremely high death rate onboard.

(idiomatic) A well-organized and highly disciplined organization.

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

Any ship manned by pirates, especially a large wooden sailing ship armed with cannons and flying a Jolly Roger, as stereotyped in literature and film.

A severe inflammation of the lungs of cattle, caused by a bacterium of the genus Pasteurella, sometimes seen following the stress of transport to market under poor conditions.