Eg, cutlass or foil (5)
I believe the answer is:
sword
This clue is a double definition.
'eg cutlass' is the first definition.
(I know that Cutlass is a type of sword)
'foil' is the second definition.
(I've seen this before)
(Other definitions for sword that I've seen before include "Weapon, often worn ceremonially" , "Bladed weapon" , "Combat" , "Sharp-edged weapon" , "Fencer's weapon" .)