Very large dog (5,4)
I believe the answer is:
great dane
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very large 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 great dane that I've seen before include "Large breed of dog" , "Powerful dog" , "Could be barking" , "one among best friends" , "Dog from Copenhagen?" .)