Psalter

[ sawl-ter ]
/ ˈsɔl tər /

noun

the Biblical book of Psalms.
(sometimes lowercase) a psalmbook.

Origin of Psalter

before 900; < Late Latin psaltērium the Psalter, Latin: a psaltery < Greek psaltḗrion stringed instrument; replacing Middle English sauter (< Anglo-French < Late Latin) and Old English saltere (< Late Latin, as above)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for psalter

British Dictionary definitions for psalter

Psalter
/ (ˈsɔːltə) /

noun

another name for Psalms, esp in the version in the Book of Common Prayer
a translation, musical, or metrical version of the Psalms
a devotional or liturgical book containing a version of Psalms, often with a musical setting

Word Origin for Psalter

Old English psaltere, from Late Latin psaltērium, from Greek psaltērion stringed instrument, from psallein to play a stringed instrument
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012