Omentum n. : A free fold of the peritoneum, or one serving to connect viscera, support blood vessels, etc.; an epiploon.

Example:
Omentum What purpose does the Omentum serve?

Taxonomy
greater omentum, layers, folds, greater curvature of the stomach, omentum, free encyclopedia, dorsal mesentery, omentum majus, Diagrams, lesser omentum, bursa omentalis, Omentectomy, commencement, rotation, blind, Hagerstown, MD, Lippincott Williams & Wilkins, mesentery.

Defination from the web:
omentum develops from the dorsal mesentery that connects the stomach to the posterior abdominal wall. ... Omentectomy refers to the surgical removal of the omentum, a relatively simple procedure with no major side effects, that is performed in cases ...