Split partially (5)
I believe the answer is:
crack
(Other definitions for crack that I've seen before include "Opening; sharp blow" , "attempt" , "Narrow opening, break" , "Take severe measures - . . . . . down on" , "Break; gap" .)
I believe the answer is:
crack
(Other definitions for crack that I've seen before include "Opening; sharp blow" , "attempt" , "Narrow opening, break" , "Take severe measures - . . . . . down on" , "Break; gap" .)