1. a prescribed form or set of forms for public religious worship
2. the customary public worship performed by a religious group

Examples

• The priest followed the traditional liturgy during Sunday mass.
• The church revised its liturgy to include more contemporary music.
• Students of theology must study the history of Christian liturgy.
• The Orthodox liturgy includes ancient prayers and chants.
• Each denomination has its own distinctive liturgy and traditions.
• The wedding ceremony followed the standard liturgy of their faith.