Fence; complaining bitterly (7)
I believe the answer is:
railing
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">fence</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">complaining bitterly</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for railing that I've seen before include "Haranguing -- horizontal bar on supports" , "Fencing - complaining - attacking" , "complaints procedure?" , "barrier appears" , "Complaining - fence" .)