psalterium From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAn omasumA zither-like musical instrument Related wordsSynonymsomasumthird stomachabomasusepiplooncaulpostnotumacetabulumsuprailiumproctodaeumperitonaeumsacrariumsepiumventrumparovariummesosalphinxproctodæum References Wiktionary — psalterium Wikipedia — psalterium