Definition of psalter

• n. - The Book of Psalms; -- often applied to a book containing the Psalms separately printed.
• n. - 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.
• n. - A rosary, consisting of a hundred and fifty beads, corresponding to the number of the psalms.