What is the meaning of Circus?

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.

A spectacle; a noisy fuss; a chaotic and/or crowded place.

In the ancient Roman Empire, a building for chariot racing.

A code name for bomber attacks with fighter escorts in the day time. The attacks were against short-range targets with the intention of occupying enemy fighters and keeping their fighter units in the area concerned.

Circuit; space; enclosure.

To take part in a circus; or to be displayed as if in a circus

circus (company of performers; place where this company performs)

a circular line or orbit; circle, ring

a racecourse or space where games are held, especially one that is round

the spectators in a circus; a circus

Source: wiktionary.org