Definition of: circus

(sûr′kəs) noun
1. A traveling show in which feats of horsemanship, tumbling, and strength, as well as clowns, wild animals, etc., are exhibited; also, a performance of such a show.
2. The circular, tented enclosure in which such a show is commonly held.
3. The troupe of performers in such a show.
4. In ancient Rome, a large oval or oblong enclosure with tiers of seats around it, used for races, games, etc.
5. Brit. A circle formed by bow–shaped rows of houses.
6. Colloq. Any person or thing regarded as uproariously entertaining. [<L, a ring, racecourse <Gk. kirkos. Doublet of CIRQUE.]