omasum
/oʊˈmeɪsəm/
noun
- The third compartment of the stomach of a ruminant animal (such as a cow or sheep), where food is further broken down and water is absorbed.
- The omasum helps absorb water and nutrients from the partially digested food.
- Farmers sometimes call the omasum the 'manyplies' because of its many folds.
- In a cow's digestive system, food passes from the reticulum into the omasum.