| arena | |
| 1. n. An enclosed area, often outdoor, for the presentation of sporting events (sports arena) or other spectacular events; earthen area, often oval, specifically for rodeos (North America) or circular area | |
| A large crowd filled the seats of the arena. | |
| 2. n. The building housing such an area; specifically, a very large, often round building, often topped with a dome, designated for indoor sporting or other major events, such as concerts. | |
| The arena is grey with white beams. | |
| 3. n. (historical) The sand-covered centre of an amphitheatre where contests were held in Ancient Rome. | |
| The gladiators entered the arena. | |
| 4. n. A realm in which important events unfold. | |
| The company was a player in the maritime insurance arena. | |
