Definition of "Mass"

(Roman Catholicism) 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.  examples

A similar ceremony offered by a number of Christian churches.  examples

(music) A musical composition set to portions, or all, of the Mass.  examples

Abbreviation of Massachusetts.  examples

Alternative form of Mas  examples