Plaster Definition

plăstər
plastered, plastering, plasters
noun
plasters
A pasty mixture, as of lime or gypsum, sand, and water, which hardens on drying, for coating walls, ceilings, and partitions.
Webster's New World
Webster's New World
A pasty preparation spread on cloth and applied to the body, used medicinally as a curative or counterirritant.
Webster's New World
An adhesive bandage.
American Heritage Medicine

(countable, New Zealand, UK) A small adhesive bandage to cover a minor wound; a sticking plaster.

Wiktionary
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verb
plastered, plastering, plasters
To cover, smear, overlay, etc. with or as with plaster.
Webster's New World
To apply, affix, or display, esp. in a careless or excessive way.
Posters plastered all over town.
Webster's New World
To cover or hide with or as if with a coat of plaster.
Plastered over our differences.
American Heritage

To apply plaster of Paris as a treatment.

Webster's New World
To cover conspicuously, as with things pasted on; overspread.
Plaster the walls with advertising.
American Heritage
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Other Word Forms of Plaster

Noun

Singular:
plaster
Plural:
plasters

Origin of Plaster

  • Middle English from Old English medical dressing and from Old French plastre cementing material both from Latin emplastrum medical dressing from Greek emplastron from emplassein to plaster on en- in, on en–2 plassein to mold pelə-2 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Old English plaster, from late Latin plastrum; later reinforced by Anglo-Norman plaistre.

    From Wiktionary

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