/dek"euhl/ , n. Papermaking.
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 .
[ 1800-10; Deckel cover, lid, equiv. to deck ( en ) to cover (see DECK) + -el n. suffix ]