/ Dictionary / Index C cistvaen: Meaning and Definition of Find definitions for: cist•vaen Pronunciation: (kist'vīn, -vān), [key] — n. cist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cistron cit Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language