Dictionary
plas•ter•board
Pronunciation: (plas'tur-bôrd", -bōrd", plä'stur-), [key]—
n.
a material used for insulating or covering walls, or as a lath, consisting of paper-covered sheets of gypsum and felt.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.