Indoor stadium (5)
I believe the answer is:
arena
(Other definitions for arena that I've seen before include "Earls Court?" , "Ring; stage" , "Battleground" , "Sit around here being entertained" , "What the Colosseum was" .)
I believe the answer is:
arena
(Other definitions for arena that I've seen before include "Earls Court?" , "Ring; stage" , "Battleground" , "Sit around here being entertained" , "What the Colosseum was" .)