Battle, fight (4)
I believe the answer is:
fray
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">battle</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that fray is a type of combat)</span><br/ ><br/ >'<span class="explanation-format__original">fight</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that fray is a type of fight)</span><br/ ><br/ ></span>
(Other definitions for fray that I've seen before include "Wear away at the edges" , "Come apart at the edges" , "Tempers may do" , "Noisy fight" , "Wear away from rubbing" .)