Pork portion (4)
I believe the answer is:
loin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pork portion</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 loin that I've seen before include "Part of a carcase" , "Part of the back - cut of meat" , "Part of the body to which "lumbar" refers" , "Lumbar region" , "Joint of meat" .)