/ Dictionary / Index C coat protein: Meaning and Definition of Find definitions for: coat' pro"tein Pronunciation: [key] any protein that is a constituent of the capsid of a virus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coat of mail coatrack Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language