definition casting
Casting (noun). the act of one who casts or throws, as in fishing. Casting (noun). the act or process of making casts or impressions, or of shaping metal or plaster in a mold; the act or the process of pouring molten metal into a mold. Casting (noun). that which is cast in a mold; esp. the mass of metal so cast; as, a casting in iron; bronze casting. Casting (noun).