adjective Anatomy.

of, relating to, or affecting the stomach and intestines.

Origin of gastrointestinal

First recorded in 1825–35; gastro- + intestinal Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gastrointestinal

Contemporary Examples of gastrointestinal

Historical Examples of gastrointestinal

British Dictionary definitions for gastrointestinal



of or relating to the stomach and intestinal tract
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for gastrointestinal

1831, from gastro- + intestinal.

Online Etymology Dictionary, © 2010 Douglas Harper

gastrointestinal in Medicine




Relating to the stomach and the intestines.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.