/ Dictionary / Index C cave-in: Meaning and Definition of Find definitions for: cave-in Pronunciation: (kāv'in"), [key] — n. a collapse, as of anything hollow: the worst cave-in in the history of mining. a place or site of such a collapse. submission to something or someone previously opposed or resisted: His cave-in to such unreasonable demands shocked us. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cave-in (Thesaurus) cavefish Cavell Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language