deckle

noun 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. deckle edge.

noun

1. a frame used to contain pulp on the mould in the making of handmade paper
2. Also called: deckle strap a strap on each edge of the moving web of paper on a paper-making machine that fixes the width of the paper
3. See deckle edge

n.

1810, in paper-making, from German deckel “lid, little cover,” diminutive of decke “cover” (see deck (n.)).