Definition of deckles:
(n) :
(paper-making, art) A frame or edge which limits the pulp and, consequently, the size of the resulting paper.
(n) :
(Jewish cuisine) The fattier, smaller point-cut portion of a brisket of beef, being the superficial pectoral muscle.
(n) :
A membrane covering the outermost side of a brisket of beef, where it was attached to the rib cage
(v) :
(transitive, rare) To give deckles to (paper).