A short-legged breed of dog (5)
I believe the answer is:
corgi
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a short-legged breed of dog</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 corgi that I've seen before include "Dog of Welsh breed, royal favourite" , "pet in 9 [CARDIFF]?" , "Welsh breed of short-legged dog" , "The Queen's favourite?" , "man's best friend" .)