noun, plural ab·o·ma·sa [ab-uh-mey-suh] /ˌæb əˈmeɪ sə/.
Examples from the Web for abomasum
These are called the paunch, the honeycomb stomach or bag, the manyplies and the abomasum.The Animal World, A Book of Natural History|Theodore Wood
Most, however, have four, the leaf stomach or psalterium being intercalated between the retinaculum and the abomasum.The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington
Finally there is the abomasum, out of which proceeds the small intestine.The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard