Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “plaster”

plaster

noun  /ˈplæs·tər/ us  

plaster noun (WALL COVERING)

[U] a substance that is used esp. for spreading on walls and ceilings because it makes a smooth, hard surface after it dries

plaster noun (INJURY PROTECTION)

[C] Br Band-Aid

plaster

verb [T]  /ˈplæs·tər/ us  

plaster verb [T] (PLACE WALL COVERING)

infml To plaster a surface or an object with something is to cover it completely or thickly: She has plastered her bedroom walls with posters of pop singers.
(Definition of plaster from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of plaster?
Browse related topics

You are looking at an entry to do with Covering and adding layers, but you might be interested in these topics from the Including and excluding topic area:

Add Cambridge dictionaries to your browser to your website

More American English definitions for “plaster”

Definitions of “plaster” in other dictionaries

Word of the Day

sling

to throw or drop something carelessly

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More