/ Dictionary / Index A astomatous: Meaning and Definition of Find definitions for: a•stom•a•tous Pronunciation: (ā-stom'u-tus, ā-stō'mu-), [key] — adj. Zool., Bot. having no mouth, stoma, or stomata. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: astomatous (Thesaurus) Astolat Aston Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language