from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See plasterboard.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a construction material of pre-made boards used for walls and ceilings, usually a gypsum-core with a paper surface.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses
wall + board (Wiktionary)