/ Dictionary / Index C cuspidate: Meaning and Definition of Find definitions for: cus•pi•date Pronunciation: (kus'pi-dāt"), [key] — adj. having a cusp or cusps. furnished with or ending in a sharp and stiff point or cusp: cuspidate leaves; a cuspidate tooth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cuspidate (Thesaurus) cuspidal cuspidation Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language