/ Dictionary / Index C cera: Meaning and Definition of Find definitions for: ce•ra Pronunciation: (sēr'u), [key] — n. (in prescriptions) wax. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cer- ceraceous Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language