Definition of "Circus" :

noun: a performance given by a traveling company of acrobats, clowns, and trained animals

"The children always love to go to the circus."

noun: a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment

"It was so funny it was a circus."

noun: a genus of haws comprising the harriers

noun: an arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent

"They used the elephants to help put up the circus."

noun: (antiquity) an open-air stadium for chariot races and gladiatorial games

noun: a travelling company of entertainers; including trained animals

"He ran away from home to join the circus."