/ Dictionary / Index C cytostome: Meaning and Definition of Find definitions for: cy•to•stome Pronunciation: (sī'tu-stōm"), [key] — n. the mouth of a protozoan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cytostome (Thesaurus) cytostatic cytotaxis Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language