Neaten by cutting (4)
I believe the answer is:
trim
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">neaten by cutting</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for trim that I've seen before include "Shorten" , "Prune or pare" , "Make hair neat using scissors" , "Reduce slightly" , "Edging material - in good order" .)