/ Dictionary / Index T tricorn: Meaning and Definition of Find definitions for: tri•corn Pronunciation: (trī'kôrn), [key] — adj. having three horns or hornlike projections; three-cornered. —n. a hat with the brim turned up on three sides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tricorn (Thesaurus) tricolored heron tricornered Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language