Pronunciation: (dek'ul), [key]
1. a board, usually of stainless steel, fitted under part of the wire in a Fourdrinier machine for supporting the pulp stack before it is sufficiently formed to support itself on the wire.
2. See deckle edge. Also,deckel.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.