arena

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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.

noun

1. 1. an enclosure or platform, usually surrounded by seats on all sides, in which sports events, contests, entertainments, etc, take placea boxing arena
   2. (as modifier)arena stage
2. the central area of an ancient Roman amphitheatre, in which gladiatorial contests and other spectacles were held
3. a sphere or scene of conflict or intense activitythe political arena

n.

1620s, “place of combat,” from Latin harena “place of combat,” originally “sand, sandy place,” perhaps from Etruscan. The central stages of Roman amphitheaters were strewn with sand to soak up the blood.

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