noun. A two-man track cycling event in which partners take turns to race round the track a number of times, and then must exchange places with a partner by means of a hand sling.

"I thought I would look them up and they seem retty straightforward to me: The madison is a conventional race ... with riders in each team riding part of the distance, handing over to the other member, resting, and then returning to the race."

Addison  Maddison  Radisson