the GNU version of the Collaborative International Dictionary of English
n. Plastering used to finish architectural constructions, exterior or interior, especially that used for the lining of rooms. Ordinarly, mortar is used for the greater part of the work, and pure plaster of Paris for the moldings and ornaments.
The Century Dictionary and Cyclopedia
n. The preparing or putting up of plaster, in the sense of two or three coats, or more, of mortar upon walls or ceilings.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a surface of hardened plaster (as on a wall or ceiling)
Word Usage
"It's no less fancy inside, with an ornately carved wooden staircase and plasterwork ceilings."