1
: a medicated or protective dressing that consists of a film (as of cloth or plastic) spread with a usually medicated substance
adhesive plaster
broadly
: something applied to heal and soothe
2
: a pasty composition (as of lime, water, and sand) that hardens on drying and is used for coating walls, ceilings, and partitions
plastered; plastering
ˈpla-st(ə-)riŋ
1
: to overlay or cover with plaster : coat
2
: to apply a plaster to
3
a
: to cover over or conceal as if with a coat of plaster
b
: to apply as a coating or incrustation
c
: to smooth down with a sticky or shiny substance
plastered his hair down
4
: to fasten or apply tightly to another surface
5
: to treat with plaster of paris
6
: to affix to or place on especially conspicuously or in quantity
7
: to inflict heavy damage or loss on especially by a concentrated or unremitting attack
: to apply plaster
Cite this Entry
“Plaster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plaster. Accessed 1 Sep. 2026.
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