/ Dictionary / Index T triceratops: Meaning and Definition of Find definitions for: tri•cer•a•tops Pronunciation: (trī-ser'u-tops"), [key] — n. any of various dinosaurs of the genus Triceratops, of the late Cretaceous Period, having a bony crest on the neck, a long horn over each eye, and a shorter horn on the nose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: triceratops (Thesaurus) triceps trich- Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language