en='true'>: something that is formed by casting in a mold or form: such as
(1): a reproduction (as of a statue) in metal or plaster :casting
(2): a fossil reproduction of the details of a natural object by mineral infiltration
b: an impression taken from an object with a liquid or plastic substance :mold//They made a mask from a wax cast of her face.
c: a rigid casing (as of fiberglass or of gauze impregnated with plaster of paris) used for immobilizing a usually diseased or broken part //has a cast on her broken arm