A domesticated species (Felis catus) of feline animal, commonly kept as a house pet. / Any similar animal of the family Felidae, which includes lions, tigers, bobcats, etc.

(nautical, transitive) To hoist (the anchor) by its ring so that it hangs at the cathead. / (nautical, transitive) To flog with a cat-o'-nine-tails. / (slang) To vomit. / To go wandering at night.

(computing) A program and command in Unix that reads one or more files and directs their content to the standard output.

(computing, transitive) To apply the cat command to (one or more files). / (computing, slang) To dump large amounts of data on (an unprepared target) usually with no intention of browsing it carefully.

(slang) A street name of the drug methcathinone. / Abbreviation of catapult. / Abbreviation of catalytic converter. / Abbreviation of catamaran. / Abbreviation of category. / Abbreviation of catfish.

(Ireland, colloquial) Catastrophic; terrible, disastrous.

A diminutive of the female given names Catherine or Caitlin.

(slang) A piece of heavy machinery, such as a backhoe, of the Caterpillar brand.

(informal) A Catalina flying boat.

Acronym of Central Atlas Tamazight. / Acronym of computer-adaptive test. / Acronym of common admission test. / Acronym of civil air transport. / Acronym of clear-air turbulence.