/ Dictionary / Index C cowinner: Meaning and Definition of Find definitions for: co•win•ner Pronunciation: (kō-win'ur, kō'win"-), [key] — n. one of two or more joint winners. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cow horse cowitch Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language