Dec"kle (?), n. [Cf. G. deckel cover, lid.] Paper Making
A separate thin wooden frame used to form the border of a hand mold, or a curb of India rubber or other material which rests on, and forms the edge of, the mold in a paper machine and determines the width of the paper.
[Spelt also
deckel, and
deckle.]
© Webster 1913.