- (n.) A composition of lime, water, and sand, with or without hair as a bond, for coating walls, ceilings, and partitions of houses. See Mortar.
- (n.) 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.
- (n.) Calcined gypsum or plaster of Paris, especially when ground, as used for making ornaments, figures, moldings, etc.; or calcined gypsum used as a fertilizer.
- (v.t.) Fig.: To smooth over; to cover or conceal the defects of; to hide, as with a covering of plaster.
- (v.t.) To overlay or cover with plaster, as the ceilings and walls of a house.
- (v.t.) To cover with a plaster, as a wound or sore.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). plaster. Retrieved September 20, 2026, from http://smartdefine.org/plaster/definitions/2046199 |
| Chicago | Webster's. 2011. "plaster" http://smartdefine.org/plaster/definitions/2046199 (accessed September 20, 2026). |
| Harvard | Webster's 2011, plaster, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/plaster/definitions/2046199>. |
| MLA | Webster's. "plaster" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/plaster/definitions/2046199> |