What is the meaning of Deckle?

A frame or edge which limits the pulp and, consequently, the size of the resulting paper.

A membrane covering the outermost side of a brisket of beef, where it was attached to the rib cage

The fattier, smaller point-cut portion of a brisket of beef, being the superficial pectoral muscle.

To give deckles to (paper).

inflection of deckeln:

  1. first-person singular present
  2. first/third-person singular subjunctive I
  3. singular imperative

first-person singular present

first/third-person singular subjunctive I

singular imperative

Source: wiktionary.org