/ Dictionary / Index I intestinal: Meaning and Definition of Find definitions for: in•tes•ti•nal Pronunciation: (in-tes'tu-nlBrit.in§es-tīn'l), [key] — adj. occurring in or affecting the intestines. of, pertaining to, or resembling the intestines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intestinal (Thesaurus) intestate intestinal amebiasis 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