MCPronunciation: /ɛmˈsiː/Translate MC | into French | into Italian | into Spanish Definition of MC abbreviation (in the US) Member of Congress: the chance to vote for their MC (in the UK) Military Cross: he was awarded the MC Monaco (international vehicle registration). music cassette: it is now available on Deutsche Grammophon CD and MC noun 1short for master of ceremonies. 2a person who provides entertainment at a club or party by instructing the DJ and performing rap music. verb (MC's, MC'ing, MC'd) [no object] perform as an MC: (as noun MC'ing)a long bout of MC’ingMC in other Oxford dictionaries Definition of MC in the US English dictionary