Fencing option (4)
'fencing option' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for epee that I've seen before include "Fencing sword, heavier than a foil" , "Duelling blade" , "Narrow fencing sword" , "sports equipment" , "Fencing weapon" .)
(Other definitions for foil that I've seen before include "Leaf of metal" , "Prevent from succeeding" , "hamper" , "Queer" , "thin plate of metal" .)