an entertainment in which a variety of performers, e.g. acrobats and clowns, and performing animals are involved in a series of unrelated acts, or the covered arena housing it
an activity suggestive of a circus, e.g. in being a busy scene of noisy or frivolous action
(Circus) Brit usu in proper names: a large open road junction in a town partly surrounded by a circle of buildings
Piccadilly Circus
a large circular or oval stadium used esp for sports contests or spectacles
a public spectacle
[Latin circus: see circle1]