/ Dictionary / Index C cavity: Meaning and Definition of Find definitions for: cav•i•ty Pronunciation: (kav'i-tē), [key] — pl. -ties. any hollow place; hollow. a hollow space within the body, an organ, a bone, etc. a hollow space or a pit in a tooth, most commonly produced by caries. A cavity may be artificially made to support dental restorations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cavity (Thesaurus) Cavite cavity resonator Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language