I. plas ‧ ter 1 /ˈplɑːstə $ ˈplæstər/ BrE AmE noun
[ Date: 900-1000 ; Language: Latin ; Origin: emplastrum , from Greek , from emplassein 'to plaster on' , from plassein ; ⇨ ↑ plastic 2 ]
1 . [uncountable] a substance used to cover walls and ceilings with a smooth even surface. It consists of ↑ lime , water, and sand.
2 . [uncountable] ↑ plaster of Paris
3 .
[uncountable and countable] British English a piece of thin material that is stuck on to the skin to cover a small wound SYN bandaid American English
4 . in plaster British English if you have a leg or arm in plaster, you have a ↑ plaster cast around it because a bone is broken and needs to be kept in place while it mends
II. plaster 2 BrE AmE verb [transitive]
1 . [usually passive] to put a wet usually sticky substance all over a surface so that it is thickly covered
plaster something with something
Her face was plastered with make-up.
2 . [usually passive] to completely cover a surface with something, especially large pieces of paper, pictures etc
plaster something with something
The windows were plastered with notices.
The news of the wedding was plastered all over the papers (=was the main story in the newspapers) .
3 . to put wet plaster on a wall or ceiling
4 . [usually passive] to make your hair lie flat or stick to your head
plaster something to something
His hair was plastered to his forehead with sweat.
plaster something down/back
The rain had plastered her hair down.
plaster something ↔ over phrasal verb
to cover a hole or an old surface by spreading plaster over it:
The original brickwork has been plastered over.