Definition of arena noun from the Oxford Advanced Learner's Dictionary

     

    arena

     noun
    noun
    BrE BrE//əˈriːnə//
     
    ; NAmE NAmE//əˈriːnə//
     
    International relations
     
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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 Wembley 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 related entries: International relations
  3. Word Origin early 17th cent.: from Latin harena, arena ‘sand, sand-strewn place of combat’.Extra examples He had no desire to enter the political arena. He left the arena to loud applause. I want to work outside the arena of competition. Some documents have now emerged into the public arena. The Hurricanes have a new home arena. The company has been very successful in the commercial arena. The conference should provide an arena for marketing our new products. The rider has to halt the horse in the arena. This observation also applies in the environmental policy arena. Trades unions are active both in individual workplaces and in the wider arena of the state. Unions are also active in the wider arena of the state. the challenges faced by farmers in the international and domestic arenas the challenges of bringing a business into the online arena He has said that he does not want to return to the political arena. Space became an arena for global competition between the United States and the Soviet Union. The band is due to play Wembley arena on the 9th September.
See the Oxford Advanced American Dictionary entry: arena