omentum

[ oh-men-tuh m ]

/ oʊˈmɛn təm /

noun, plural o·men·ta [oh-men-tuh] /oʊˈmɛn tə/. Anatomy.

a fold of the peritoneum connecting the stomach and the abdominal viscera forming a protective and supportive covering.

Nearby words

omento-, omentopexy, omentoplasty, omentorrhaphy, omentulum, omentum, omeprazole, omer, omerta, omertà, omg

Compare greater omentum, lesser omentum.

Origin of omentum

First recorded in 1535–45, omentum is from the Latin word ōmentum caul surrounding the intestines

Related formso·men·tal, adjectivepost·o·men·tal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for omentum

Next he opened the body cavity and pulled out the viscera, setting aside a mass of fat (apparently the omentum).
The Barren Ground Caribou of Keewatin|Francis Harper
(a) The omentum is non-adherent to the transverse colon and transverse mesocolon.
The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington
If the sac contains bowel and omentum, it is safer to open it over the omentum than over the bowel.
A Manual of the Operations of Surgery|Joseph Bell
The peritoneum and omentum in one case (cow), reported by Sayre, were covered with small nodules.
Barium, A Cause of the Loco-Weed Disease|Albert Cornelius Crawford

But care must be taken to exclude tumors formed by fecal accumulations and masses attached to the omentum.
A System of Practical Medicine By American Authors, Vol. II|Various

British Dictionary definitions for omentum

omentum

/ (əʊˈmɛntəm) /

noun plural -ta (-tə)

anatomy a double fold of peritoneum connecting the stomach with other abdominal organs

Word Origin for omentum

C16: from Latin: membrane, esp a caul, of obscure origin

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

Medicine definitions for omentum

omentum

[ ō-mĕn′təm ]

n. pl. o•men•tums

One of the folds of the peritoneum that connect the stomach with other abdominal organs, especially the greater omentum or the lesser omentum.