/ Dictionary / Index C clavacin: Meaning and Definition of Find definitions for: clav•a•cin Pronunciation: (klav'u-sin), [key] — n. Pharm. patulin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. clava clavate 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