Big sports venue
'big sports venue' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for arena that I've seen before include "place for sporting contest" , "Battleground" , "Circus ring" , "Scene of gladiatorial contest, perhaps" , "What the Colosseum was" .)
'big sports venue' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for coliseum that I've seen before include "Large theatre or stadium" , "Large venue" , "Large stadium as in ancient Rome" , "Ole! Music! (anag) - large stadium" , "Large entertainment building" .)