What is the meaning of Circus?

noun

• A travelling company of entertainers; including trained animals.
  • usage: "he ran away from home to join the circus"
• A performance given by a traveling company of acrobats, clowns, and trained animals.
  • usage: "the children always love to go to the circus"
• A frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment.
  • usage: "it was so funny it was a circus"; "the whole occasion had a carnival atmosphere"
  • synonyms: carnival
• Antiquity) an open-air stadium for chariot races and gladiatorial games. (
• An arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent.
  • usage: "they used the elephants to help put up the circus"
• A genus of haws comprising the harriers.
  • synonyms: genus Circus