a form of public worship; ritual.

a collection of formularies for public worship.

a particular arrangement of services.

a particular form or type of the Eucharistic service.

the service of the Eucharist, esp. this service (Divine Liturgy) in the Eastern Church.

noun

celebration , ceremonial , form , formality , formula , observance , rite , ritual , sacrament , service , servicesnotes:a litany is a series of prayers; a liturgy is the canon of a religious service , office , ceremony , worship