Sharp feller (3)
I believe the answer is:
axe
'sharp feller' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for axe that I've seen before include "Do away with" , "Terminate - with a hatchet?" , "Abandon project with chopping tool" , "Cancel" , "Abandon project or cut back on resources" .)