noun
(physical) Matter, material.
A large quantity; a sum.
verb
(ergative) To form or collect into a mass; to form into a collective body; to assemble.
adjective
Involving a mass of things; concerning a large quantity or number.
Involving a mass of people; of, for, or by the masses.
noun
(Christianity) The Eucharist, now especially in Roman Catholicism.
(Christianity) Celebration of the Eucharist.
(Christianity, by extension) The main kind of church service, in some denominations.
(Christianity, usually as the Mass) The sacrament of the Eucharist.
A musical setting of parts of the mass.
verb
(intransitive, obsolete) To celebrate mass.