Slender blades (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">slender blades</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for epees that I've seen before include "Fencing swords" , "weapons" , "what can be seen on the piste" .)