/ Dictionary / Index D datebook: Meaning and Definition of Find definitions for: date•book Pronunciation: (dāt'book"), [key] — n. a printed notebook for listing appointments, making entries of events, etc., often with printed headings or lines for each day of the year and for the hours of the day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. date dated Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language