Chop into cubes (4)
I believe the answer is:
dice
'chop into cubes' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for dice that I've seen before include "Cut into small cubes" , "Gaming cube(s)" , "Make into chips" , "Cubes used in gambling" , "Chop up (food)" .)