psalterium/sɒlˈtɪəriəm/EtymologyLearned borrowing from Latin psalterium, from Ancient Greek ψαλτήριον (psaltḗrion). Doublet of psalter, psalterion, and psaltery.psalterium means an omasum. Lexicurio rates it Sui generis — a strength score of 86 out of 100.psalterium is pronounced /sɒlˈtɪəriəm/.nounAn omasum.A psaltery (zither-like musical instrument)