—plaster /ˈplɑː.stər/ aep /ˈplæs.tɚ/
noun (SUBSTANCE)
F0 [U] a substance that becomes hard as it dries and is used especially for spreading on walls and ceilings in order to give a smooth surface:
» The plaster on the walls was cracked and flaking.→ SEE ALSO PLASTERBOARD(Cf. ↑plasterboard)Thesaurus+: ↑Plasteringin plaster UK (US in a cast)F0 If a part of your body is in plaster, it has a plaster cast around it to protect it while a broken bone repairs itself:
» My leg was in plaster for about six weeks.See picture: plaster cast (UK)/cast (US) 
Thesaurus+: ↑Medical dressings, supports and devices
noun [C or U] UK (UK ALSO sticking plaster, US TRADEMARK ˈBand-Aid) (STICKY MATERIAL)
► F0 a small piece of sticky material used to cover and protect a cut in the skin: » a box of waterproof plasters» Put a plaster on it so that it doesn't get infected.See picture: plaster (UK)/Band-Aid™ (US) Thesaurus+: ↑Medical dressings, supports and devices
verb ↑Verb Endings for plaster
F0 [T] to spread plaster on a surface
Thesaurus+: ↑PlasteringThesaurus+: ↑Covering and adding layersF0 [T + adv/prep] to make something stick in a flat smooth layer:
» The torrential rain had plastered her hair to her head.Thesaurus+: ↑Glues and gluing and stickinessF0 [T usually + adv/prep] INFORMAL to cover a surface or an object with something completely or thickly:
» She had plastered her bedroom walls with photos of pop stars.» The car was plastered with mud.» The story was plastered all over (= printed so that it completely covered) the front page of the newspaper.Thesaurus+: ↑Covering and adding layersplastering /ˈplɑː.stər.ɪŋ/ aep /ˈplæs.tɚ.ɪŋ/ noun [U]► F0» There's only the plastering left to be done.Thesaurus+: ↑Plastering