ˈsȯltə(r) noun
( -s )
Etymology: Middle English psalter, salter, sauter, from Old English & Old French; Old English psaltere, saltere & Old French psautier, sautier, psaltier, from Late Latin psalterium, from Late Greek psaltērion, from Greek, stringed instrument, psaltery, from psallein to play upon a stringed instrument — more at psalm
1. : a translation or version of the Psalms
an English psalter
a metrical psalter
2. : a book containing the Psalms separately printed or especially arranged for liturgical or devotional use: as
a. sometimes capitalized : the Psalms as printed in the Book of Common Prayer
b. sometimes capitalized : the part of a breviary containing the Psalms set for each day of the week
3. archaic : psaltery
4. : psalterium