noun A paste applied to the skin for healing or cosmetic purposes.
noun A small adhesive bandage to cover a minor wound; a sticking plaster.
noun A mixture of lime or gypsum, sand, and water, sometimes with the addition of fibres, that hardens to a smooth solid and is used for coating walls and ceilings.
noun A similar material used for exterior walls.
noun A cast made of plaster of Paris and gauze; a plaster cast.
noun Plaster of Paris.
verb To cover or coat something with plaster; to render.