Heaviest fencing weapon (4)
I believe the answer is:
epee
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">heaviest fencing weapon</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 epee that I've seen before include "Sharp-pointed duelling sword" , "Thin fencing sword" , "Fencer's weapon" , "Pointed weapon" , "Type of sword" .)