Sheepdog (6)
I believe the answer is:
collie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sheepdog</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that Collie is a type of sheepdog)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for collie that I've seen before include "Sheepdog with long pointed muzzle" , "Popular sheepdog like Lassie" , "Silky-coated sheepdog" , "Sheepdog wth ling nose and shaggy hair" , "Type of sheepdog" .)