Entertainment venue (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">entertainment venue</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for arena that I've seen before include "Gladiatorial venue" , "What the Colosseum was" , "Entertainments venue" , "Stadium - battlefield" , "battlefieId" .)
(Other definitions for circus that I've seen before include "Performances in ring" , "(Show in) big top" , "Eg, Piccadilly, Oxford" , "Big top entertainment" , "Group of travelling performers" .)