Meaning of WORK ON

WordNet Dictionary
	Definition:		[v]  shape, form, or improve a material; "work stone into tools"; "process iron"; "work the metal" [v]  to exert effort in order to do, make, or perform something: she worked at it until she had it down cold.
	Websites:
	Synonyms:		process, work, work at
	See Also:		belabor, belabour, coldwork, make over, overwork, rack, retread, rework, till, tool, transform, transmute, transubstantiate, work