(archaic) A sturdy merchant sailing vessel (now only in "catboat").
(archaic) The pointed piece of wood that is struck in the game of tipcat.
(archaic, uncountable) The game of "trap and ball" (also called "cat and dog").
(chiefly nautical) Short form of cat-o'-nine-tails.
(computing) A program and command in Unix that reads one or more files and directs their content to the standard output.
(historical) A wheeled shelter, used in the Middle Ages as a siege weapon to allow assailants to approach enemy defences.
(nautical) A strong tackle used to hoist an anchor to the cathead of a ship.
(offensive) A spiteful or angry woman.
(slang) A person (usually male).
(slang) A prostitute.
(slang) A street name of the drug methcathinone.
(slang) Any of a variety of earth-moving machines. (from their manufacturer Caterpillar Inc.)
(slang, vulgar, African-American Vernacular) A vagina, a vulva; the female external genitalia.
A domesticated species (Felis catus) of feline animal, commonly kept as a house pet.
A double tripod (for holding a plate, etc.) with six feet, of which three rest on the ground, in whatever position it is placed.
A ground vehicle which uses caterpillar tracks, especially tractors, trucks, minibuses, and snow groomers.
Abbreviation of catalytic converter.
Abbreviation of catamaran.
Abbreviation of catapult.
Abbreviation of category.
Abbreviation of catfish.
Abbreviation of computed axial tomography. Often used attributively, as in “CAT scan” or “CT scan”.
An animal of the family Felidae:
An enthusiast or player of jazz.
Any similar animal of the family Felidae, which includes lions, tigers, bobcats, leopards, cougars, cheetahs, caracals, lynxes, and other such non-domesticated species.
The trap of the game of "trap and ball".
verb
(computing, slang) To dump large amounts of data on (an unprepared target), usually with no intention of browsing it carefully.
(computing, transitive) To apply the cat command to (one or more files).
(nautical, transitive) To flog with a cat-o'-nine-tails.
(nautical, transitive) To hoist (the anchor) by its ring so that it hangs at the cathead.