1. A large structure for open-air sports or entertainments
   "The new football arena could seat over 80,000 spectators";
   - stadium, bowl [N. Amer], sports stadium
    
2. A playing field where sports events take place
   "The football stadium was the arena for the championship game";
   - scene of action
    
3. The central area of an ancient Roman amphitheatre where contests and spectacles were held; especially an area that was strewn with sand
   "Gladiators fought to the death in the arena of the Colosseum"
    
4. A particular environment or walk of life
   "his social arena is limited";
   - sphere, domain, area, orbit, field

Derived forms: arenas

Type of: area, athletic field, construction, country, environment, field, pitch [Brit], playing area, playing field, structure

Encyclopedia: Arena, Romina