arena
//əˈriːnə//
Noun
arenaSingular
arenasPlural
1
A large building or enclosed area with seating for spectators, used for sports events, concerts, or other entertainment
The concert was held at a large arena that could seat 20,000 people.
2
The central area of an ancient Roman amphitheater where gladiatorial contests and other spectacles took place
Gladiators fought in the arena while thousands of spectators watched from the seats above.
3
A sphere of activity, debate, or conflict; a field or domain where something takes place
She entered the political arena at a young age.