Definition of circus

• a travelling company of entertainers; including trained animals; "he ran away from home to join the circus"
• performance given by a traveling company of acrobats clowns and trained animals; "the children always love to go to the circus"
• a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment; "it was so funny it was a circus"; "the whole occasion had a carnival atmosphere"