Psalter
Psalter (church Latin psalterium from ancient Greek ψαλτήριον psaltḗrion , to psalm ) is:
- a book of the Old Testament, the Book of Psalms
- a medieval liturgical text book with psalms and chants, see Psalter (text book)
- a two- or four-week recurring cycle in the Prayer of the Hours of the Catholic Church, in which the psalms are prayed once
- when praying the rosary in the Catholic Church the combination of the laws of all the secrets of the rosary, see rosary
- a medieval musical instrument in the style of the zither without a fingerboard, see Psalterium
- Omasum , in the anatomy of the ruminant leaf stomach