(countable) Terms relating to animals.
(countable, uncountable) Terms relating to animals.
(uncountable) Terms relating to animals.
(countable, uncountable) Terms relating to animals.
(broadly, countable) Terms relating to animals.
(countable, derogatory, figuratively, offensive, uncountable) Terms relating to people.
(countable, dated, figuratively, slang, uncountable) Terms relating to people.
(US, countable, figuratively, slang, uncountable) Terms relating to people.
(countable, figuratively, slang, uncountable) Terms relating to people.
(countable, figuratively, obsolete, slang, uncountable) Terms relating to people.
(broadly, countable, uncountable) Terms relating to things.
(archaic, broadly, uncountable) Terms relating to things.
(archaic, broadly, countable) Terms relating to things.
(broadly, countable, uncountable) Terms relating to things.
(abbreviation, alt-of, broadly, countable, ellipsis, uncountable) Terms relating to things.
(archaic, broadly, countable, uncountable) Terms relating to things.
(broadly, countable, historical, uncountable) Terms relating to things.
(broadly, countable, slang, uncountable, vulgar) Terms relating to things.

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

Catastrophic; terrible, disastrous.