Psalter

Webster's Dictionary of the English Language

·noun The Book of Psalms;

— often applied to a book containing the Psalms separately printed.

II. Psalter ·noun A rosary, consisting of a hundred and fifty beads, corresponding to the number of the psalms.

III. Psalter ·noun Specifically, the Book of Psalms as printed in the Book of Common Prayer; among the Roman Catholics, the part of the Breviary which contains the Psalms arranged for each day of the week.