(Christianity) The Eucharist, now especially in Roman Catholicism. / (Christianity) Celebration of the Eucharist. / (Christianity, usually as the Mass) The sacrament of the Eucharist.

(intransitive, obsolete) To celebrate mass.

(anatomy) The fatty vascular tissue that fills the cavities of bones, being the place where new blood cells are produced.

A device that directs and controls energy, often in the form of movement or electricity, to produce a certain effect. / (dated) A vehicle operated mechanically, such as an automobile or an airplane.

To make by machinery. / To shape or finish by machinery; (usually, more specifically) to shape subtractively by metal-cutting with machine-controlled toolpaths.

(only in set phrases) illness, affliction.

(surfing) A longboard (type of surfboard).

(medicine, informal) A malleolus.

(UK) One of a pair of quotation marks used to denote a quotation in writing. The symbol used at the beginning of the quotation ("opening quotation mark") is usually “ ("open inverted commas") or ‘ ("open inverted comma"), and the symbol at the end ("closing quotation mark") is ” ("close inverted commas") or ’ ("close inverted comma").

(physics) The basic structural component of the universe. Matter usually has mass and volume. / (physics) Matter made up of normal particles, not antiparticles. / A kind of substance.