Definition of greater omentum in US English:

greater omentum

noun

  • The larger section of the omentum, connecting the stomach to the transverse colon and hanging down like a sheet in front of the jejunum and ileum; also called great omentum, gastrocolic omentum.

Origin

Early 19th century; earliest use found in Charles Bell (1774–1842), physiologist and surgeon. After scientific Latin omentum maius.