plaster

/ˈplastə/

A paste applied to the skin for healing or cosmetic purposes.

A small adhesive bandage to cover a minor wound; a sticking plaster.

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; render, stucco.

A cast made of plaster of Paris and gauze; plaster cast.

Plaster of Paris.