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Webster's Dictionary (1865)

2 entries under this word

Plaster

Plās'ter, n.

noun

n. [Formerly written also plaister.] [O. Fr. plastre, plais'tre, N. Fr. plâtre, Pr. plastre, A-S. & Dan. plaster, Sw. plåster, D. pleister, Ger. pflaster, from Lat. emplastrum, Gr. ἔμπλαστρον. See EMPLASTER.]

  1. A composition of lime, water, and sand, for coating walls and partitions of houses; also, gypsum or plaster of Paris, as used for making ornaments, figures, moldings, and the like.
  2. (Med.) An external application of a harder consistence than an ointment, to be spread, according to different circumstances, either on linen, leather, or other material.

Plaster of Paris, calcined gypsum, or sulphate of lime, used, when mixed with water, for casts, moldings, and the like;—originally obtained from a suburb of Paris, France; whence the name. In popular language, this name is applied improperly to plaster-stone, or to any species of gypsum.

Plăs'ter, v. t.

verbtransitive

v. t. [imp. & p. p. PLASTERED; p. pr. & vb. n. PLASTERING.] 1. To overlay or cover with plaster, as the partitions of a house, walls, and the like. 2. To cover with a plaster, as a wound. 3. To smooth over; to cover or conceal the defects or irregularities of. [Colloq.]