From Longman Dictionary of Contemporary Englishdisc jockeyˈdisc ˌjockey noun [countable] BOAMT (abbreviation DJ) someone whose job is to play the music on a radio show or in a club where you can dance
Examples from the Corpus
disc jockey• The athletic disc jockey is a distinctively contemporary phenomenon.• A Radio One disc jockey prattled in the background.• Ike, former radio disc jockey, actually kept his congregation awake on Sunday mornings. 