1 smooth covering for a wall
ADJ. fresh | chipped, cracked, crumbling, peeling
QUANT. chunk, flake Each blow of the hammer removed a great chunk of plaster.
VERB + PLASTER apply Apply the plaster evenly.
PLASTER + VERB come off (sth), fall off (sth), peel off (sth) Plaster was peeling off the ceiling.
PLASTER + NOUN cast A plaster cast of Madame Fournier stood in the artist's studio.
2 for covering a cut
VERB + PLASTER put on | peel off, take off
3 for protecting broken bones
PLASTER + NOUN cast Her broken leg was put in a plaster cast
PREP. in ~ Your arm will have to be in plaster for at least six weeks.