A breviary (from Latin brevis, 'short' or 'concise') is a liturgical book of the Latin liturgical rites of Catholic Church containing the public or canonical prayers, hymns, the Psalms, readings, and notations for everyday use, especially for priests, in the Divine Office (for example, at the canonical hours or Liturgy of the Hours, the Christians' daily prayer). The volume containing the daily hours of prayer was published under this name until the reforms of Paul VI, when it became known as th… (More on Breviary)