n.
   - a soft mixture of lime with sand or cement and water for spreading on walls and ceilings to form a smooth hard surface when dried.
 - 
(also plaster of Paris)
 a hard white substance made by the addition of water to powdered gypsum, used for holding broken bones in place and making sculptures and casts.
 - 
(also sticking plaster)
 Brit. an adhesive strip of material for covering cuts and wounds. 
▸dated a bandage on which a poultice is spread for application.
 
v.
    - cover with plaster; apply plaster to.
 - coat or cover all over with something, especially to an excessive extent:
 a face plastered in heavy make-up.
 ▸display widely and conspicuously:
 her story was plastered all over the papers.
 - apply a plaster cast to.
 - informal, dated bomb or shell (a target) heavily.
 
 
  Derivative
  
    - plasterer n.
  - plastery adj.
 
   
  Etymology
  OE, denoting a bandage spread with a curative substance, from med. L. plastrum, from Gk emplastron ‘daub, salve’.