psalterium

noun

The omasum.

Same as psalter.

Same as psaltery, 1.

In zoology, the third division of the stomach of a typical ruminant, between the reticulum or honeycomb and the abomasum; the omasum: also called manyplies, from the numerous folds of mucous membrane which nearly fill the interior.

In anatomy: The lyra of the fornix.