Buckle (4)
I believe the answer is:
warp
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">buckle</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that buckle can be written as warp)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for warp that I've seen before include "Crane fly larva" , "Distort, ship's rope" , "Make bent or twisted" , "Pervert - distort" , "Buckle" .)