Ma"ny*plies (?), n. [Many, adj. + plies, pl. of ply a fold.] Anat.
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.
© Webster 1913.