abomasum

 
Pronunciation: /ˌabəʊˈmeɪsəm/

noun (plural abomasa /-sə/)

Zoology
  • the fourth stomach of a ruminant, which receives food from the omasum and passes it to the small intestine.

Origin:

late 17th century: modern Latin, from ab- 'away, from' + omasum (see omasum)