'Plaster' definitions:

Definition of 'plaster'

(from WordNet)
noun
A mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
noun
Any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs [syn: plaster of Paris, plaster]
noun
A medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc. [syn: poultice, cataplasm, plaster]
noun
A surface of hardened plaster (as on a wall or ceiling); "there were cracks in the plaster" [syn: plaster, plasterwork]
noun
Adhesive tape used in dressing wounds [syn: plaster, adhesive plaster, sticking plaster]
verb
Apply a heavy coat to [syn: plaster, plaster over, stick on]
verb
Cover conspicuously or thickly, as by pasting something on; "The demonstrators plastered the hallways with posters"; "She let the walls of the apartment be beplastered with stucco" [syn: plaster, beplaster]
verb
Affix conspicuously; "She plastered warnings all over the wall"
verb
Apply a plaster cast to; "plaster the broken arm"
verb
Coat with plaster; "daub the wall" [syn: plaster, daub]
verb
Dress by covering with a therapeutic substance [syn: poultice, plaster]

Definition of 'Plaster'

From: GCIDE
  • Plaster \Plas"ter\, n. [AS., a plaster (in sense 1), fr. L. emplastrum, Gr. ?, ?, fr. ? to daub on, stuff in; ? in + ? to mold: cf. OF. plastre a plaster (in sense 2), F. pl[^a]tre. Cf. Plastic, Emplaster, Piaster.] [Formerly written also plaister.]
  • 1. (Med.) An external application of a consistency harder than ointment, prepared for use by spreading it on linen, leather, silk, or other material. It is adhesive at the ordinary temperature of the body, and is used, according to its composition, to produce a medicinal effect, to bind parts together, etc.; as, a porous plaster; sticking plaster. [1913 Webster]
  • 2. A composition of lime, water, and sand, with or without hair as a bond, for coating walls, ceilings, and partitions of houses. See Mortar. [1913 Webster]
  • 3. Calcined gypsum, or plaster of Paris, especially when ground, as used for making ornaments, figures, moldings, etc.; or calcined gypsum used as a fertilizer. [1913 Webster]
  • Plaster cast, a copy of an object obtained by pouring plaster of Paris mixed with water into a mold.
  • Plaster of Paris. [So called because originally brought from a suburb of Paris.] (Chem.) Anhydrous calcium sulphate, or calcined gypsum, which forms with water a paste which soon sets or hardens, and is used for casts, moldings, etc. The term is loosely applied to any plaster stone or species of gypsum.
  • Plaster of Paris bandage (Surg.), a bandage saturated with a paste of plaster of Paris, which on drying forms a perfectly fitting splint.
  • Plaster stone, any species of gypsum. See Gypsum. [1913 Webster]

Definition of 'Plaster'

From: GCIDE
  • Plaster \Plas"ter\, v. t. [imp. & p. p. Plastered; p. pr. & vb. n. Plastering.] [Cf. OF. plastrer to plaster (in sense 2), F. pl[^a]trer.]
  • 1. To cover with a plaster, as a wound or sore. [1913 Webster]
  • 2. To overlay or cover with plaster, as the ceilings and walls of a house. [1913 Webster]
  • 3. Fig.: To smooth over; to cover or conceal the defects of; to hide, as with a covering of plaster. --Bale. [1913 Webster]

Synonyms of 'plaster'

From: Moby Thesaurus