Meaning of plaster
Definition of plaster
(noun)
a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.
cover conspicuously or thickly, as by pasting something on; "The demonstrators plastered the hallways with posters"; "She let the walls of the apartment be beplastered with stucco"
coat with plaster; "daub the wall"