a : something which is fashioned by casting within a mould or type: for instance (1) : a copy (as of the statue) in metal or plaster : casting (2) : a fossil replica of the details of the purely natural object by mineral infiltration b : an perception taken from more info an item using a liquid or plastic material : mould They created a mask from the wax cast of her face.
: a mass of plastic subject fashioned in cavities of diseased organs (because the kidneys) and discharged from the human body
to decide on actors to Perform specific parts in a play, Motion picture, or clearly show, or to settle on an actor for an element: