Enclosure with bars (4)
I believe the answer is:
cage
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">enclosure with bars</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 cage that I've seen before include "US composer -- barred enclosure" , "Confine behind bars" , "Nicolas - - (films)" , "Prison (with bars)" , "Tffhe goal in ice hockey" .)