cockle ( cockled )
1. A wrinkled or puckered condition in a sheet of
paper or board (or vellum) caused, in the case of
paper or board, by nonuniform drying and
shrinkage, or from heat and humidity, and, in the
case of vellum, by humidity. 2. A condition of the
paper in books caused by excessive humidity and
wetting. Cockling in books is magnified
significantly if the grain direction of the paper
is not parallel to the binding edge. 3. A term
also applied to book covers (boards) rising,
pulling, waving or curling, and caused by
incorrect grain direction of the covering cloth,
board paper, or the board itself, or by the use of
the wrong type of adhesive or too much adhesive.
4. A warty growth in sheepskin. (98 , 139 , 156 , 335 )
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