Main entry: arena, scene of action
Definition: a playing field where sports events take place
Main entry: sports stadium, stadium, bowl, arena
Definition: a large structure for open-air sports or entertainments
Main entry: arena
Definition: the central area of an ancient Roman amphitheater where contests and spectacles were held; especially an area that was strewn with sand
Main entry: orbit, field, area, arena, sphere, domain
Definition: a particular environment or walk of life
Usage: his social sphere is limited; it was a closed area of employment; he's out of my orbit