/ Dictionary / Index C cuprum: Meaning and Definition of Find definitions for: cu•prum Pronunciation: (ky'prum, k'-), [key] — n. Chem. copper. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cuprous cyanide cup shake Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language