| (n.) | The sacrifice in the sacrament of the Eucharist, or the consecration and oblation of the host. |
| (n.) | 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. |
| (v. i.) | To celebrate Mass. |
| (n.) | 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. |
| (n.) | A medicinal substance made into a cohesive, homogeneous lump, of consistency suitable for making pills; as, blue mass. |
| (n.) | A large quantity; a sum. |
| (n.) | Bulk; magnitude; body; size. |
| (n.) | The principal part; the main body. |
| (n.) | The quantity of matter which a body contains, irrespective of its bulk or volume. |
| (v. t.) | To form or collect into a mass; to form into a collective body; to bring together into masses; to assemble. |