Gambling establishment (6)
I believe the answer is:
casino
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gambling establishment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for casino that I've seen before include "Gambling den" , "Gambling establishment" , "Gambling place" , "Gambling emporium" , "Where some gamblers go" .)