The principal liturgical service of the Church, encompassing both a scripture service (Liturgy of the Word) and a eucharistic service (Liturgy of the Eucharist), which includes the consecration and oblation (offering) of the host and wine.
A similar ceremony offered by a number of Christian churches.
A musical composition set to portions of the Mass.
A predetermined or prescribed set of rituals that are performed, usually by a religion.
An official worship service of the Christian church.
In Ancient Greece, a form of personal service to the state.