n. 1. The act of one who casts or throws, as in fishing. [ 1913 Webster ]

2. 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. [ 1913 Webster ]

3. That which is cast in a mold; esp. the mass of metal so cast; as, a casting in iron; bronze casting. [ 1913 Webster ]

4. The warping of a board. Brande & C. [ 1913 Webster ]

5. The act of casting off, or that which is cast off, as skin, feathers, excrement, etc. [ 1913 Webster ]

Casting of draperies, the proper distribution of the folds of garments, in painting and sculpture. --
Casting line (Fishing), the leader; also, sometimes applied to the long reel line. --
Casting net, a net which is cast and drawn, in distinction from a net that is set and left. --
Casting voice,
Casting vote, the decisive vote of a presiding officer, when the votes of the assembly or house are equally divided. “When there was an equal vote, the governor had the casting voice.” B. Trumbull. --
Casting weight, a weight that turns a balance when exactly poised. [ 1913 Webster ]