01 n. The third division, or that between the reticulum, or honeycomb stomach, and the abomasum, or rennet stomach, in the stomach of ruminants; …
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The third division, or that between the reticulum, or honeycomb stomach, and the abomasum, or rennet stomach, in the stomach of ruminants; the omasum; the psalterium. So called from the numerous folds in its mucous membrane. See Illust of Ruminant.(Anat.) See: Ruminant