[bookbinding] Doublures are ornamental linings on the inside of a book. Doublures are protected from wear, compared to the outside of a book, and thus offer bookbinders scope for elaborate decoration. The 15th century Islamic doublures strongly influenced the doublures in Western Europe. The term doublure is of French origin. Tooled doublur...
Found on
http://en.wikipedia.org/wiki/Doublure_(bookbinding)

• (n.) The lining of a book cover, esp. one of unusual sort, as of tooled leather, painted vellum, rich brocade, or the like. • (n.) The reflexed margin of the trilobite carapace.
Found on
http://thinkexist.com/dictionary/meaning/doublure/
Dou`blure' noun [ French]
1. (Bookbinding) The lining of a book cover, esp. one of unusual sort, as of tooled leather, painted vellum, rich brocade, or the like.
2. (Paleon.) The reflexed margin of the trilobite carapace.
Found on
http://www.encyclo.co.uk/webster/D/114

an ornamental lining of a book cover.
Found on
https://www.infoplease.com/dictionary/doublure
No exact match found.