Definition of class book in English:

class book

noun

  • 1A book containing the register of membership of a Methodist class. Now chiefly historical.

  • 2A book used in class by a teacher; = "schoolbook".

  • 3US. An annually published album containing a short biography, photograph, etc., of each student in the graduating class of a high school or college.

Origin

Mid 18th century (in an earlier sense). From class + book.