| 1. | the oval space in the center of a Roman amphitheater for gladiatorial combats or other performances. |
| 2. | a central stage, ring, area, or the like, used for sports or other forms of entertainment, surrounded by seats for spectators: a boxing arena; a circus arena. |
| 3. | a building housing an arena. |
| 4. | a field of conflict, activity, or endeavor: the arena of politics. |
