Relating to the stomach (7)
I believe the answer is:
gastric
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">relating to the stomach</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 gastric that I've seen before include "Stomachic" , "affecting stomach" , "of the corporation?" , "Abdominal" , "Relating to or involving the stomach" .)