Dancefloor (noun)

1. A smooth, flat floor designed for dancing, typically found in nightclubs, dance halls, and other venues for dancing.
2. A similar floor in a private home, typically in a recreation room or basement.

Origin:

A compound of the words dance and floor, formed in the late 19th century.

Examples:

1. The dancefloor was packed with people moving to the music.
2. She's been a regular at the club for years, always one of the first on the dancefloor.
3. He cleared the furniture out of the living room to make space for a dancefloor.
4. The dancefloor was surrounded by flashing lights and smoke machines.
5. She shimmied and shook on the dancefloor, enjoying the beat of the music.