Circus is a form of entertainment that features various performances such as acrobatics, clown acts, trained animals, trapeze acts, musicians, dancers, and other performers.
The term "circus" also refers to:
1. A circular arena surrounded by tiers of seats for public games or performances
2. A traveling company of performers
3. A noisy, chaotic situation (informal usage)
4. In British English, a round open space where several streets converge