a : a thing that is fashioned by casting in a very mildew or sort: for example (1) : a copy (as of a statue) in metal or plaster : casting (two) : a fossil replica of the main points of the normal object by mineral infiltration b : an impact taken from an object with a liquid or plastic compound : mould They designed a mask from the wax cast of her confront.
: a mass of plastic make any difference shaped in cavities of diseased organs (since the kidneys) and discharged from the body
discard implies the more info allowing go or throwing absent of something that is becoming worthless or superfluous though typically not intrinsically valueless.