arena

US /əˈriː.nə/
UK /əˈriː.nə/
"arena" picture
1.

a level area surrounded by seating, in which sports, entertainments, and other public events are held

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The concert will be held at the new sports arena.
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Gladiators fought in the Roman arena.
:
stadiumcoliseumamphitheatervenueauditorium
2.

a scene of intense debate or conflict

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The political arena is often filled with heated discussions.
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He proved his skills in the international business arena.
:
fieldsphererealmdomainstage
:
arena football