<p><strong>Noun:</strong></p><ul><li>a composition, as of lime or gypsum, sand, water, and sometimes hair or other fiber, applied in a pasty form to walls, ceilings, etc., and allowed to harden and dry</li><li>powdered gypsum</li><li>plaster of Paris</li><li>a solid or semisolid preparation spread upon cloth, plastic, or other material and applied to the body, especially for some healing purpose</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to cover (walls, ceilings, etc.) with plaster</li><li>to treat with gypsum or plaster of Paris</li><li>to lay flat like a layer of plaster</li><li>to daub or fill with plaster or something similar</li><li>to apply a plaster to (the body, a wound, etc.)</li><li>to overspread with something, especially thickly or excessively: a wall plastered with posters</li><li>Informal: to defeat decisively; trounce; drub</li><li>to knock down or injure, as by a blow or beating</li><li>to inflict serious damage or injury on by heavy bombing, shelling, or other means of attack</li></ul>