Small hunting dog (6)
I believe the answer is:
beagle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small hunting dog</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for beagle that I've seen before include "Breed of dog in a glebe" , "Small short-legged hound" , "Darwin voyaged in this ship" , "Type of hound" , "Hound dog" .)