Fitch (7)
I believe the answer is:
polecat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fitch</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that fitch can be written as polecat)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for polecat that I've seen before include "American skunk" , "Kind of weasel, called skunk in America" , "weaselly type" , "Unpleasant-smelling woodland animal" , "Smelly animal" .)