disc jockey

or disk jockey


noun

a person who conducts a radio broadcast consisting of recorded music, informal talk, commercial announcements, etc.
a person who selects, plays, and announces records at a discotheque.

Origin of disc jockey

An Americanism dating back to 1940–45

British Dictionary definitions for disc jockey

disc jockey

noun

a person who announces and plays recorded music, esp pop music, on a radio programme, etc Abbreviation: DJ, dj