Monk's hood (4)
I believe the answer is:
cowl
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">monk's hood</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 cowl that I've seen before include "Monk's hood - chimney cover" , "Monk's hooded habit" , "Loose hood" , "Hood-shaped covering" , "form of protection?" .)