Bookmarker
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A
slip
of paper, card, etc. used to mark one's place in reading a
book
; a
bookmark
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a marker (a piece of paper or ribbon) placed between the pages of a book to mark the reader's place