ＭＣ LinksSentence search for ＭＣSentence search for エム・シーEdit in JMdict Noun1. master of ceremonies; MC; hostNoun2. intermission between songs in which the performers speak to the audienceNoun3. machining centerSee also マシニングセンターNoun4. marginal costEconomics, See also 限界費用 Discussions Log in to talk about this word.