Axe; helicopter (7)
I believe the answer is:
chopper
This clue is a double definition.
'axe' is the first definition.
(I've seen this before)
'helicopter' is the second definition.
(synonyms)
(Other definitions for chopper that I've seen before include "that comes down on the block?" , "An informal helicopter, or an axe" , "Blade" , "that's used by a lumberjack" , "Small axe" .)