Small cupboard (6)
I believe the answer is:
closet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small cupboard</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for closet that I've seen before include "A small room - best to come out of it" , "American cupboard or wardrobe" , "secret is revealed" , "Private room; cupboard" , "Wardrobe in the US" .)