/ Dictionary / Index C cu cm: Meaning and Definition of Find definitions for: cu cm Pronunciation: [key] cubic centimeter; cubic centimeters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cuckoo wasp cucullate Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language