<procedure> A surgical joining of stomach to ileum; a technical error in which the ileum instead of jejunum is selected for the site of a gastrojejunostomy. ... (05 Mar 2000) ... 
(gas″tro-il″e-os´tә-me) a gastroenterostomy between the stomach and the ileum.
Type: Term Pronunciation: gas′trō-il-ē-os′tŏ-mē Definitions: 1. A surgical joining of stomach to ileum; most commonly used in the treatment of severe obesity.