/ Dictionary / Index C cuspid: Meaning and Definition of Find definitions for: cus•pid Pronunciation: (kus'pid), [key] — n. (in humans) a tooth with a single projection point or elevation; canine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cuspid (Thesaurus) cusped cuspidal Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language