a : something which is shaped by casting within a mold or type: like (1) : a reproduction (as of the statue) in metallic or plaster : casting (two) : a fossil copy of the small print of a all-natural object by mineral infiltration b : an impression taken from an item that has a liquid or plastic material : mildew They created a mask from a wax cast of her encounter.

: a mass of plastic issue formed in cavities of diseased organs (given that the kidneys) and discharged from the human body

discard implies the allowing go or throwing absent of something that is becoming worthless or check here superfluous although generally not intrinsically valueless.