Small axe (7)
I believe the answer is:
hatchet
'small axe' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for hatchet that I've seen before include "Bury this to end quarrel" , "Light axe" , "Short-handled axe" , "Small axe with a short handle" , "Make the peace - bury the . . . . . . ." .)