Small canine (6)
(Other definitions for lapdog that I've seen before include "One readily submitting" , "devoted supporter" , "lackey" , "little pet" , "Pom, for one" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small canine</span>' is the definition.<br/ ><span class="explanation-format__explanation">(short for Pekingese; 'small' indicates a short form)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for peke that I've seen before include "In short, it's a small short-legged dog" , "Breed of dog (shortened)" , "Small dog (colloq.)" , "5 [MANS BEST FRIEND]" , "Small canine" .)