/ Dictionary / Index S -stome: Meaning and Definition of Find definitions for: -stome Pronunciation: [key] a combining form meaning “organism having a mouth or mouthlike organ” (cyclostome), “mouthlike organ” (cytostome), as specified by the initial element. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stomatous stomodaeum Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language