Possum (8)
I believe the answer is:
ringtail
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">possum</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 ringtail that I've seen before include "Possum" , "Type of cat" , "creature" , "Sleepwalker" , "Sort of cat" .)