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