Chaos; dining hall (4)
I believe the answer is:
mess
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">chaos</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">dining hall</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 mess that I've seen before include "Place to eat" , "terrible state" , "State of confusion or untidiness" , "Mix-up" , "Canteen - chaos" .)