What bookdealers really mean. A dictionary by Tom Congalton and Dan Gregory (Between the Covers), with additions from other sources
A common leather binding material from sheep hides; used like calf for a less expensive binding than morocco, appears to have been frequently used for text books and law books in the 19th century (see also calf, morocco, and vellum).
Peau de mouton utilisée pour la reliure ordinaire.
Dem Kalbleder ähnlicher Schafledereinband.