/ Dictionary / Index C caboose: Meaning and Definition of Find definitions for: ca•boose Pronunciation: (ku-bs'), [key] — n. a car on a freight train, used chiefly as the crew's quarters and usually attached to the rear of the train. a kitchen on the deck of a ship; galley. the buttocks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: caboose (Thesaurus) caboodle Cabo Rojo Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language