/ Dictionary / Index D digestive: Meaning and Definition of Find definitions for: di•ges•tive Pronunciation: (di-jes'tiv, dī-), [key] — adj. serving for or pertaining to digestion; having the function of digesting food: the digestive tract. promoting digestion. —n. a substance promoting digestion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: digestive (Thesaurus) digestion digestive gland Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language