Breviary
/ˈbriːvieri/
Definition 1 of 1
Pro Tip 1/3Catholic Services
Breviary is specifically used in the context of Catholic worship, not other religions. 
The new Catholic church provides each member with a breviary.
Pro Tip 2/3Daily Use
Priests and other clergy often use the breviary daily for prayer, signifying its importance in their lives. 
Sister Mary keeps her breviary close for her daily devotions.
Pro Tip 3/3Liturgical Seasons
The contents of a breviary vary according to the liturgical season like Advent or Lent. 
During Lent, the breviary includes special penitential psalms.