psalter

noun

1. 1

   The Book of Psalms. Often applied to a book containing the Psalms separately printed.

2. 2

   Specifically for Anglicans, the Book of Common Prayer which contains the Book of Psalms. For Catholics, the Breviary containing the Psalms arranged for each day of the week.

3. 3

   In the Roman Catholic Church, a rosary consisting of one hundred and fifty beads, corresponding to the number of the Psalms.

4. 4

   (obsolete or rare) psaltery (the musical instrument).