<p><strong>Noun</strong></p><ul><li>the oval space in the center of a Roman amphitheater for gladiatorial combats or other performances</li><li>a central stage, ring, area, or the like, used for sports or other forms of entertainment, surrounded by seats for spectators</li><li>a building housing an arena</li><li>a field of conflict, activity, or endeavor</li></ul>