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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.


n, pl -teria (-ˈtɪərɪə)
(Zoology) the third compartment of the stomach of ruminants, between the reticulum and abomasum. Also called: omasum
[C19: from Latin psaltērium Psalter; from the similarity of its folds to the pages of a book]


(oʊˈmeɪ səm)

n., pl. -sa (-sə).
the third stomach of a ruminant, between the reticulum and the abomasum.
[1700–10; < New Latin; Latin omāsum ox's tripe]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.psalterium - the third compartment of the stomach of a ruminantpsalterium - the third compartment of the stomach of a ruminant
ruminant - any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments
stomach, tum, tummy, breadbasket - an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
References in periodicals archive ?
1194) was one of the few medieval Christians north of the Alps devoted to Hebrew scholarship and the reception of Jewish exegesis, says Visscher, and passed down his thoughts in two biblical commentaries: an arrangement of Peter Lombard's Magna Glosatura (Great Gloss) on the Psalms and the Pauline Epistles; and Psalterium cum commento, a literal exposition and revision of the Psalms in Jerome's translation from the Hebrew.
TEXT NOT REPRODUCIBLE IN ASCII], et idem alio loco psalterium inquit organum est musicum, quod naula etiam vocatur [Suda [psi] 15 Adler s.
Hildegard's music is a great challenge for us - these are very virtuoso vocal compositions that we are combining with improvisation on Gothic harps and psalterium.