n.
Pronunciation: ' plas-t ə r
Function: noun
Etymology: Middle English, from Old English, from Latin emplastrum, from Greek emplastron, from emplassein to plaster on, from en- + plassein to mold, plaster; perhaps akin to Latin planus level, flat ― more at FLOOR
Date: before 12th century
1 : a medicated or protective dressing that consists of a film (as of cloth or plastic) spread with a usually medicated substance <adhesive plaster > broadly : something applied to heal and soothe
2 : a pasty composition (as of lime, water, and sand) that hardens on drying and is used for coating walls, ceilings, and partitions
– plas · tery \ -t( ə -)r ē \ adjective