/ Dictionary / Index C cavern: Meaning and Definition of Find definitions for: cav•ern Pronunciation: (kav'urn), [key] — n. a cave, esp. one that is large and mostly underground. a cavity that is produced by disease, esp. one produced in the lungs by tuberculosis. —v.t. to enclose in or as if in a cavern. to hollow out to form a cavern. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cavern (Thesaurus) caver cavernicolous Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language