noun, plural in·ter·leaves [in-ter-leevz] /ˈɪn tərˌlivz/.

an additional leaf, usually blank, inserted between or bound with the regular printed leaves of a book, as to separate chapters or provide room for a reader's notes.

Origin of interleaf

First recorded in 1735–45; inter- + leaf Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for interleaf


noun plural -leaves

a blank leaf inserted between the leaves of a book
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