Pelvic bone (3)
I believe the answer is:
hip
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pelvic bone</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hip that I've seen before include "Fashionable" , "Side of body - very sophisticated" , "flask here?" , "Fruit of the wild rose (3)" , "it can nowadays be replaced" .)