- of or relating to the stomach and intestinal tract
WordReference Random House Learner's Dictionary of American English © 2026
gas•tro•in•tes•ti•nal /ˌgæstroʊɪnˈtɛstənəl/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- Anatomyof, relating to, or affecting the stomach and intestines.
gas•tro•in•tes•ti•nal
(gas′trō in tes′tə nl),USA pronunciation adj. [Anat.]
- Anatomyof, pertaining to, or affecting the stomach and intestines.
- gastro- + intestinal 1825–35
Collins Concise English Dictionary © HarperCollins Publishers::
gastrointestinal /ˌɡæstrəʊɪnˈtɛstɪnəl/ adj
'gastrointestinal' also found in these entries (note: many are not synonyms or translations):