Fight hand-to-hand (7)
I believe the answer is:
grapple
'fight hand-to-hand' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for grapple that I've seen before include "Hooking instrument" , "Attempt to get hold of, or seize" , "Clutch" , "struggle" , "Fight hand-to-hand" .)