plaster meaning and definition

PLASTER noun

Definition of plaster (noun)

1. a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
2. 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
   • synonyms: plaster of Paris
3. 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.
   • synonyms: cataplasm, poultice
4. a surface of hardened plaster (as on a wall or ceiling)
   • "there were cracks in the plaster"
   • synonyms: plasterwork
5. adhesive tape used in dressing wounds
   • synonyms: adhesive plaster, sticking plaster

PLASTER verb

Definition of plaster (verb)

1. apply a heavy coat to
   • synonyms: plaster over, stick on
2. 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"
   • synonyms: beplaster
3. affix conspicuously
   • "She plastered warnings all over the wall"
4. apply a plaster cast to
   • "plaster the broken arm"
5. coat with plaster
   • "daub the wall"
   • synonyms: daub
6. dress by covering with a therapeutic substance
   • synonyms: poultice