Dictionary
scratch•board
Pronunciation: (skrach'bôrd", -bōrd"), [key]—
n.
a cardboard coated with impermeable white clay and covered by a layer of ink that is scratched or scraped in patterns revealing the white surface below. Also called
scratch'card", scraperboard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.