noun the warping of a board.
2. casting ·noun the act of one who casts or throws, as in fishing.
3. casting ·p.pr. & ·vb.n. of cast.
4. casting ·noun the act of casting off, or that which is cast off, as skin, feathers, excrement, ·etc.
5. casting ·noun that which is cast in a mold; ·esp. the mass of metal so cast; as, a casting in iron; bronze casting.
6. 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.