Pronunciation: (pas'book", päs'-), [key]
1. a bankbook.
2. (formerly) a small book or ledger for each customer in which a merchant keeps a record of goods sold on credit and the amounts owed and paid.
3. South African.See reference book (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.