Small dog, informally (4)
I believe the answer is:
peke
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small dog informally</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for peke that I've seen before include "Small dog (colloq.)" , "Small breed of dog" , "Sort of lapdog" , "Breed of dog (shortened)" , "Small canine" .)