endpaper

or end pa·per

[end-pey-per]

noun Bookbinding.

a sheet of paper, often distinctively colored or ornamented, folded vertically once to form two leaves, one of which is pasted flat to the inside of the front or back cover of a book, with the other pasted to the inside edge of the first or last page to form a flyleaf.

Origin of endpaper

First recorded in 1810–20

Also called end leaf, end sheet.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for endpaper

Contemporary Examples of endpaper

The endpaper features a “pattern of marbleized paper” that has been “individually designed.”
Rand Paul’s Many Leather-Bound Books
Olivia Nuzzi
November 27, 2014

Historical Examples of endpaper

In the List of Illustrations, page numbers with links have been added for the endpaper maps.
Fire and Sword in the Sudan
Rudolf C. Slatin

British Dictionary definitions for endpaper

endpaper

noun

either of two leaves at the front and back of a book pasted to the inside of the board covers and the first leaf of the book to secure the binding

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012