Definition of "master of ceremonies" []

• A person who acts as host at a formal event, making the welcoming speech and introducing other speakers. (noun)
• A performer who conducts a program of varied entertainment by introducing other performers to the audience. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Frank Sinatra served as master of ceremonies and entertained with singer Dionne Warwick and comedians Bill “Jose Jimenez” Dana and Flip Wilson, all of them big stars in 1969."
• "“Biagio da Cesena was the master of ceremonies for the Vatican in 1541, at the time when Michelangelo painted his Last Judgment masterpiece on the altar wall of the Sistine Chapel.”"
• "The master of ceremonies was Dr. Mehmet Oz, who had become a household name because of his appearances on a popular TV show and a series of best-selling books."