belly dance

n.

A solo dance performed by a woman and characterized by sinuous hip and abdominal movements.

Belly dance is a Western name for an Arabic style of dance developed in the Middle East.

discotheque

n.

A nightclub that features dancing to recorded or sometimes live music and often has showy decor and elaborate lighting.

The word derives from the French word discothèque.

Synonym:

disco

disco ball

n.

A large rotating mirrored ball which projects hundreds of razor thin beams of light around a room when a spotlight is aimed at its surface.

Also called mirror ball.