/ Dictionary / Index C coper: Meaning and Definition of Find definitions for: cop•er Pronunciation: (kō'pur), [key] — n. Brit. a horse dealer. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. copepod Copernican Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language