A traveling company of performers that may include acrobats, clowns, trained animals, and other novelty acts, that gives shows usually in a circular tent.
A round open space in a town or city where multiple streets meet.
(figurative) A spectacle; a noisy fuss; a chaotic and/or crowded place.
(historical) In the ancient Roman Empire, a building for chariot racing.
To take part in a circus; or to be displayed as if in a circus