arena meaning and definition

ARENA noun

Definition of arena (noun)

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