Definition of birthday book in English:

birthday book

noun

  • A book in diary form for recording birthdays.

    • ‘I'm trying to find the birthday book but it's gone missing.’
    • ‘Birthday books are designed to be a permanent keepsake for recording important birthdays.’
    • ‘In the year 2000, without ever having gone out of print, Anne was available in five Canadian editions, along with related birthday books, cookbooks, storybooks and daybooks (Canadian Books In Print 634-35).’