arena

(n) 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
domain, sphere, orbit, area, field,
(n) the central area of an ancient Roman amphitheater where contests and spectacles were held; especially an area that was strewn with sand
(n) a large structure for open-air sports or entertainments sports stadium, stadium, bowl,
(n) a playing field where sports events take place scene of action,

domain sphere orbit area field sports stadium stadium bowl scene of action

area Ares

areal areca arere arete

arenaceous arenaceous rock Arenaria Arenaria caroliniana Arenaria groenlandica Arenaria interpres Arenaria-Melanocephala Arenaria peploides Arenaria serpyllifolia Arenaria stricta arena theater Arenaviridae arenavirus