/ Dictionary / Index C cuspidation: Meaning and Definition of Find definitions for: cus•pi•da•tion Pronunciation: (kus"pi-dā'shun), [key] — n. decoration with cusps, as in architecture. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cuspidation (Thesaurus) cuspidate cuspidor Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language