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 form of ecclesiastical unity between the Roman Church and another, so that the latter is considered part of the former.
A joining together of minds or spirits; a mental connection.
Holy Communion.