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noun plas·ter \ˈplas-tər\

Simple Definition of plaster

  • : a wet substance that hardens when it becomes dry and that is used to make smooth walls and ceilings

  • : a piece of material that is put on the skin over a small wound

Full Definition of plaster

  1. 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. 2 :  a pasty composition (as of lime, water, and sand) that hardens on drying and is used for coating walls, ceilings, and partitions

plas·tery play \-t(ə-)rē\ adjective

Examples of plaster

  1. <put a plaster on the burn and don't touch it>

Origin of plaster

Middle English, from Old English, from Latin emplastrum, from Greek emplastron, from emplassein to plaster on, from en- + plassein to mold, plaster; perhaps akin to Latin planus level, flat — more at floor

First Known Use: before 12th century

Rhymes with plaster



verb plas·ter

Simple Definition of plaster

  • : to cover (a surface) with plaster

  • : to cover (a surface or area) with something

  • : to put (something, such as a poster or sign) on a surface

Full Definition of plaster

plas·teredplas·ter·ing play \-t(ə-)riŋ\

  1. transitive verb
  2. 1 :  to overlay or cover with plaster :  coat

  3. 2 :  to apply a plaster to

  4. 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>

  5. 4 :  to fasten or apply tightly to another surface

  6. 5 :  to treat with plaster of paris

  7. 6 :  to affix to or place on especially conspicuously or in quantity

  8. 7 :  to inflict heavy damage or loss on especially by a concentrated or unremitting attack

  9. intransitive verb
  10. :  to apply plaster

plas·ter·er play \-tər-ər\ noun

Examples of plaster

  1. We plastered and sanded the walls before painting them.

  2. They plastered the walls with posters.

  3. Someone had plastered a political poster on the wall.

  4. His clothes were plastered to his body from the rain.

  5. He plastered his hair down with gel.

14th Century

First Known Use of plaster

14th century

Medical Dictionary


noun plas·ter \ˈplas-tər\

Medical Definition of plaster

  1. :  a medicated or protective dressing that consists of a film (as of cloth or plastic) spread with a usually medicated substance <adhesive plaster>

Seen and Heard

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February 8, 2016

to clear from accusation or blame

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