White stoat fur (6)
I believe the answer is:
ermine
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">white stoat fur</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 ermine that I've seen before include "Winter fur of the stoat" , "White fur associated with judges" , "special trimmings" , "Animal with brown fur that turns white in winter" , "White fur of weasel" .)