/ Dictionary / Index C cyst: Meaning and Definition of Find definitions for: cyst Pronunciation: (sist), [key] — n. a closed, bladderlike sac formed in animal tissues, containing fluid or semifluid matter. a bladder, sac, or vesicle. a sporelike cell with a resistant, protective wall. a cell or cavity enclosing reproductive bodies. a sac, usually spherical, surrounding an animal that has passed into a dormant condition. such a sac plus the contained animal. a capsule or resistant covering. cyst- Pronunciation: [key] var. ofbefore a vowel: cystectomy. -cyst Pronunciation: [key] var. ofas final element in a compound word: statocyst. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyst (Thesaurus) Cys cystathionine Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language