1. A particular environment or walk of life
   - sphere, domain, area, orbit, field 
2. The central area of an ancient Roman amphitheatre where contests and spectacles were held; especially an area that was strewn with sand 
3. A large structure for open-air sports or entertainments
   - stadium, bowl, sports stadium 
4. A playing field where sports events take place
   - scene of action

Derived forms: arenas

Type of: area, athletic field, construction, country, environment, field, playing area, playing field, structure

Encyclopedia: Arena, Saskatchewan Arena Arena, Trinidad and Tobago Arena, Wisconsin Arena, WI

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