From Longman Dictionary of Contemporary Englishpassbookpass‧book /ˈpɑːsbʊk $ ˈpæs-/ noun [countable] BFBa book in which a record is kept of the money you put into and take out of a bank account
Examples from the Corpus
passbook• Neither the current cheque book nor the building society passbook was there.• I can only get this passbook savings shit. 