psalterial


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psal·te·ri·um

 (sôl-tîr′ē-əm)
n. pl. psal·te·ri·a (-tîr′ē-ə)
The omasum.

[Late Latin psaltērium, psalter (so called because when slit open its folds fall apart like the leaves of a book); see Psalter.]

psal·te′ri·al adj.