B1
someone who plays music on the radio or at live events
Dictionary examples:
Our school's DJ mixed the national anthem with a dance beat for assembly. (0.0)
The DJ fell asleep during a slow song and snored into the microphone. (0.0)
The DJ accidentally played 'Who Let the Dogs Out' at a cat show. (0.0)
He's a DJ on Radio 1. (5.0)