/ Dictionary / Index S -stomous: Meaning and Definition of Find definitions for: -stomous Pronunciation: [key] a combining form meaning “having a mouth” of the kind or number specified by the initial element: monostomous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stomodeum stomp Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language