A small body, structure, particle, or granule, especially of living matter / A plastid

(New Zealand, Britain) An adhesive bandage used in dressing wounds / An inadequate solution to a serious problem.

plural of plaster cast

(surgery) A cast made of a stiff material (often plaster of Paris and gauze) in order to immobilize a broken bone for the period of healing. / A copy of a piece of art or other object cast in plaster.

A hemihydrate of calcium sulfate, made by calcining gypsum, that hardens when moistened and allowed to dry; used to make casts, molds and sculpture.

(uncountable) A paste applied to the skin for healing or cosmetic purposes. / (countable, Britain, New Zealand, Canada) A small adhesive bandage to cover a minor wound; a sticking plaster.

(transitive) To cover or coat something with plaster; to render. / (transitive) To apply a plaster to. / (transitive) To smear with some viscous or liquid substance.

(medicine, historical) A vesicant plaster made of Spanish flies.

gypsum

plural of plaster room