Mass

The sacrifice in the sacrament of the Eucharist, or the consecration and oblation of the host.

The portions of the Mass usually set to music, considered as a musical composition; -- namely, the Kyrie, the Gloria, the Credo, the Sanctus, and the Agnus Dei, besides sometimes an Offertory and the Benedictus.

To celebrate Mass.

A quantity of matter cohering together so as to make one body, or an aggregation of particles or things which collectively make one body or quantity, usually of considerable size; as, a mass of ore, metal, sand, or water.

A medicinal substance made into a cohesive, homogeneous lump, of consistency suitable for making pills; as, blue mass.

A large quantity; a sum.

Bulk; magnitude; body; size.

The principal part; the main body.

The quantity of matter which a body contains, irrespective of its bulk or volume.

To form or collect into a mass; to form into a collective body; to bring together into masses; to assemble.

The quantity of matter in an object

the property of something that is great in magnitude; "it is cheaper to buy it in bulk"; "he received a mass of correspondence"; "the volume of exports"

a musical setting for a Mass; "they played a Mass composed by Beethoven"

(Roman Catholic Church and Protestant Churches) the celebration of the Eucharist