1. (noun) plaster
a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
2. (noun) plaster of Paris, plaster
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
3. (noun) poultice, cataplasm, plaster
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.
4. (noun) plaster, plasterwork
a surface of hardened plaster (as on a wall or ceiling)
"there were cracks in the plaster"
5. (verb) plaster, adhesive plaster, sticking plaster
adhesive tape used in dressing wounds
6. (verb) plaster, plaster over, stick on
apply a heavy coat to
7. (verb) plaster, beplaster
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"
8. (verb) plaster
affix conspicuously
"She plastered warnings all over the wall"
9. (verb) plaster
apply a plaster cast to
"plaster the broken arm"
10. (verb) plaster, daub
coat with plaster
"daub the wall"
11. (verb) poultice, plaster
dress by covering with a therapeutic substance
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Definition of 'plaster' 
