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| 1. | a large public entertainment, typically presented in one or more very large tents or in an outdoor or indoor arena, featuring exhibitions of pageantry, feats of skill and daring, performing animals, etc., interspersed throughout with the slapstick antics of clowns. Compare big top. |
| 2. | a troupe of performers, esp. a traveling troupe, that presents such entertainments, together with officials, other employees, and the company's performing animals, traveling wagons, tents, cages, and equipment. |
| 3. | a circular arena surrounded by tiers of seats, in which public entertainments are held; arena. |
| 4. | (in ancient Rome)
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| 5. | anything resembling the Roman circus, or arena, as a natural amphitheater or a circular range of houses. |
| 6. | flying circus. |
| 7. | British. an open circle, square, or plaza where several streets converge: Piccadilly Circus. |
| 8. | fun, excitement, or uproar; a display of rowdy sport. |
| 9. | Obsolete. a circlet or ring. |
