Upper legs (6)
I believe the answer is:
thighs
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">upper legs</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 thighs that I've seen before include "Fleshy upper legs" , "Upper leg joints" , "Parts of legs" , "Chicken pieces" , "Parts of the body" .)