noun
plural -ters
[noncount] a wet substance that hardens when it becomes dry and that is used to make smooth walls and ceilings - often used before another noun
plaster of paris
[count] Brit :a piece of material that is put on the skin over a small wound
in plaster
Brit :in a hard covering that protects a broken bone and allows it to heal :in a plaster cast
verb
-ters; -tered; -tering
[+ obj] to cover (a surface) with plaster
to cover (a surface or area) with something
usually used as (be) plastered
to put (something, such as a poster or sign) on a surface
to make (something) lie flat against or stick to something
plaster over
[phrasal verb]
plaster over (something) or plaster (something) over :to cover (something) with plaster