n. In classical antiquity, a place, more or less embellished by art, in which horse-races and chariot-races were run and horses were exercised: sometimes applied to a modern circus.n. In sporting slang, a race or other athletic contest in which it is arranged beforehand that a certain contestant shall win; a mock or fraudulent race.To conduct races, equestrian, pedestrian, or aquatic, or other contests, in which the result is prearranged by collusion between the managers and the contestants, in order to make gain through betting, etc.: in allusion to the prearranged or perfunctory races in a hippodrome or circus.