Sporting or entertainment venue (5)

I believe the answer is:
arena
(Other definitions for arena that I've seen before include "O2, for example" , "domain" , "The place of action" , "Field of conflict" , "Coliseum" .)
I believe the answer is:
arena
(Other definitions for arena that I've seen before include "O2, for example" , "domain" , "The place of action" , "Field of conflict" , "Coliseum" .)