madison

Etymology
The cycling race is named after the original in New York, where the first such events were held. The dance is reportedly named after, also in New York.

Noun

 * 1)  A track cycling relay race in which team members take turns while racing round the track for the largest number of laps, and exchange places with a team mate by means of a touch, which may be a push or a hand-sling.
 * 2)  A form of line dance.