n. (pl. circuses) 1 a travelling show of performing animals, acrobats, clowns, etc. 2 colloq. a a scene of lively action; a disturbance. b a group of people in a common activity, esp. sport. 3 Brit. an open space in a town, where several streets converge (Piccadilly Circus). 4 a circular hollow surrounded by hills. 5 Rom. Antiq. a a rounded or oval arena with tiers of seats, for equestrian and other sports and games. b a performance given there (bread and circuses).
[ L, = ring ]