nManyplies(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.
Century Dictionary and Cyclopedia
manypliesThe third stomach of a ruminant, technically named the omasum or psalterium: so called from the many parallel folds or layers like the leaves of a book.
Chambers's Twentieth Century Dictionary
n.sing., plManypliesmen′i-plīz the third stomach of a ruminant—the omasum or psalterium
ManypliesAlso Man′iplies and Mon′yplies
Webster's Revised Unabridged Dictionary
Many, adj. + plies, pl. of ply, a fold
The psalterium or manyplies is wanting.
"Natural History of the Mammalia of India and Ceylon" by Robert A. Sterndale