/ Dictionary / Index T three-cornered: Meaning and Definition of Find definitions for: three-cor•nered Pronunciation: (thrē'kôr'nurd), [key] — adj. having three corners: a three-cornered hat. pertaining to or involving three persons, parties, or things: The candidates were deadlocked in a three-cornered tie. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: three-cornered (Thesaurus) three-color Three-D Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language