/ Dictionary / Index C copemate: Meaning and Definition of Find definitions for: cope•mate Pronunciation: (kōp'māt"), [key] — n. Obs. an antagonist; opponent. a comrade; partner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Copehan copen Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language