Ermine (5)
I believe the answer is:
stoat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ermine</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that stoat is a type of ermine)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for stoat that I've seen before include "European ermine" , "Ermine in summertime?" , "furry animal" , "Member of the weasel family" , "Eating rabbit, he" .)