Small hound (6)
I believe the answer is:
beagle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small hound</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 "Hunting dog followed on foot" , "Darwin voyaged in this ship" , "Small short-legged hound" , "5 [MANS BEST FRIEND]" , "Type of hound" .)