Definition of "datebook" []

• A notebook or calendar for listing appointments, events, and other work-related or social information. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A week-at-a-glance datebook celebrating the French countryside with dozens of full-color photographs"
• "I carry in my datebook a piece of paper that my mother copied out for me, from the 1840 Census."
• "Jane Birkin was flying from London to Paris in 1981 when she reached into her bag for her datebook and everything fell out."