Woodchuck (9)
I believe the answer is:
groundhog
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">woodchuck</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that woodchuck can be written as groundhog)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for groundhog that I've seen before include "rodent" , "Woodchuck" , "Burrowing animal" , "US native" .)