/ Dictionary / Index C cystectomy: Meaning and Definition of Find definitions for: cys•tec•to•my Pronunciation: (si-stek'tu-mē), [key] — pl. -mies. excision of a cyst or bladder, usually the urinary bladder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cystathionine cysteine 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