American English

Definition of arena noun from the Oxford Advanced American Dictionary



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  1. 1a place with a flat open area in the middle and seats around it where people can watch sports and entertainment a concert at Pittsburgh's Mellon Arena
  2. 2(formal) an area of activity that concerns the public, especially one where there is a lot of opposition between different groups or countries the political/international arena
See the Oxford Advanced Learner's Dictionary entry: arena