Stucco

Plaster of any kind used as a coating for walls, especially, a fine plaster, composed of lime or gypsum with sand and pounded marble, used for internal decorations and fine work.

Work made of stucco; stuccowork.

To overlay or decorate with stucco, or fine plaster.

a plaster now made mostly from Portland cement and sand and lime; applied while soft to cover exterior walls or surfaces