dance floor 
noun
1An area of uncarpeted floor in a nightclub, disco, or restaurant reserved for dancing.The also took the chance to get on the dance floor to enjoy some disco classics....
- In between dispensing dancing tips, word has it that Helen is first on the dance floor at any Malt Room gig.
- The OGA bar has a dance floor with a revolving mirrored disco ball and a game room.
1.1 [as modifier] Denoting a type of music particularly popular as an accompaniment to dancing: their brilliant dance-floor smash of a couple of years back...
- Get loose, unwind and reflect on your contribution to global justice and peace to the accompaniment of the latest dance-floor fillers.
- The song - expected to be a huge dance-floor hit - has extra vocals written and produced by Micki Lynn.
- It has been a dance-floor smash ever since Tall Paul dropped the track last year at London's super club Turnmills.