the GNU version of the Collaborative International Dictionary of English
n. See omentum.
The Century Dictionary and Cyclopedia
n. The caul or apron of the intestines; the great omentum; a quadruplicature of the peritoneum, hanging down in front of the intestines from the stomach and transverse colon.
n. In entomology, the peculiar fatty substance in insects.
Word Usage
"Such women as are immoderately fat, and do not prove with child, in them it is because the epiploon (fat?) blocks up the mouth of the womb, and until it be reduced, they do not conceive."