noun, plural gas·tro·en·ter·os·to·mies. Surgery.
- the making of a new passage between the stomach and the duodenum (gastroduodenostomy) or, especially, the jejunum (gastrojejunostomy).
noun plural -mies
- surgical formation of an artificial opening between the stomach and the small intestine
n.
- The surgical formation of a new opening between the stomach and the intestine, either anterior or posterior to the mesocolon.