Fighting blade (5)
I believe the answer is:
sword
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fighting blade</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 sword that I've seen before include "Weapon with long blade" , "Weapon of steel" , "Brand" , "Performer whose throat is in danger?" , "Weapon, often worn ceremonially" .)