What is the meaning of Disc_jockey?

A person who conducts a radio program of recorded music combined with talk, news, commercials, weather, etc.

A person who plays, and sometimes mixes, recorded music at nightclubs, dances, parties, or some other social event; and/or as a backup musician for spoken word, or hip hop performers.

disc jockey (person who plays recorded music at a nightclub, bar, party etc.)