A contestant in a road race. Also: a bicycle, vehicle, etc., used in road racing.

a car designed to travel at high speed, esp. over a relatively short distance; now spec. (originally U.S.) a type of lightweight, powerful racing…

A motor vehicle designed to carry a driver and a small number of passengers on the road (sometimes opposed to racing car, etc.); (now esp.) a car…

A vehicle designed to travel rapidly over short distances; spec. (originally and chiefly British, chiefly with capital initial) (the name of) a type…