Added 9 October 2026
plaster
/ˈplɑːstə/ noun
In Latin: fōmentum Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about plaster at Wordnik → Where our words come from →
- 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.
verb
- Apply a heavy coat to.
-
Cover conspicuously or thickly, as by pasting something on.
The demonstrators plastered the hallways with posters
-
Affix conspicuously.
She plastered warnings all over the wall
Origin
From Middle English plaster, plastre, from Old English plaster, from late Latin plastrum, shortened from Classical Latin emplastrum (“a plaster, bandage”); later reinforced by Anglo-Norman plastre. Displaced native Old English clīþa. The verb is from Middle English plastren, from the noun.
From Wiktionary, via Kaikki.org (CC BY-SA)