A person who introduces performers or speaks at an event; a host or announcer.
From the letters 'M' and 'C' (master of ceremonies), phonetically spelled as 'emcee' in early 20th century American usage. It became a standard word for hosts and DJs.
This is one of the few English words invented by simply pronouncing letter abbreviations—'emcee' was created because 'M.C.' is faster to say than 'master of ceremonies,' showing language evolves from lazy efficiency.
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