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