a person who conducts a radio broadcast consisting of recorded music, informal talk, commercial announcements, etc.
2.
a person who selects, plays, and announces records at a discotheque.
Also, disk jockey.
Origin
1940-45, Americanism
Examples from the web for disc jockey
Live performers or a disc jockey provide music for after-dinner dancing.
It features an open mic night and music, either with a disc jockey or live.
In his spare time, he was a disc jockey for the campus radio station.
Fritz worked as a weekend and holiday disc jockey at the local radio station while in high school.
Provides show number and artist indexes for the series that eventually became a disc jockey show.
British Dictionary definitions for disc jockey
disc jockey
noun
1.
a person who announces and plays recorded music, esp pop music, on a radio programme, etc DJ, dj
Slang definitions & phrases for disc jockey
disc jockey
noun phrase
(Variations: deejay or Dee-Jay or DJ or dj) A radio performer who plays and comments on phonograph records; also, the person who plays records at a discotheque: the thunder-voiced DJ(1941+)