/ Dictionary / Index C cupreous: Meaning and Definition of Find definitions for: cu•pre•ous Pronunciation: (ky'prē-us, k'-), [key] — adj. copper-colored; metallic reddish-brown. consisting of or containing copper; copperlike. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cuprammonium cupri- Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language