If a part of One's body is in a very cast, it has a plaster cast close to it to safeguard it though a broken bone repairs by itself:
: a mass of plastic make a difference shaped in cavities of diseased organs (given that the kidneys) and discharged from your body
a : an overspread of the color or modification of the appearance of the compound by a trace of some included hue : shade this website gray using a greenish cast