DJ DJ /ˌdiːˈdʒeɪ/

noun

1. A person who announces and plays popular recorded music  ( d.j. [Informal] , disc jockey , disk jockey [ N. American] , DJ , deejay [Informal] , selecta [Informal, British] )
   a person who announces and plays popular recorded music
    The DJ played some great tracks at the party last night
   The DJ played some great tracks at the party last night
   
   

verb

1. Comment on music to be played  ( disc-jockey , disk-jockey [ N. American] , DJ , deejay [Informal] )
   comment on music to be played
    He has a job disk-jockeying on the weekend
   He has a job disk-jockeying on the weekend