/ Dictionary / Index S stomatal: Meaning and Definition of Find definitions for: stom•a•tal Pronunciation: (stom'u-tl, stō'mu-), [key] — adj. of, pertaining to, or of the nature of a stoma. having stomata. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stomatal (Thesaurus) stomata stomate Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language