BANK BOOK
Bank" book`.

Defn: A book kept by a depositor, in which an officer of a bank enters the debits and credits of the depositor's account with the bank.

BANK DISCOUNT
Bank discount.

Defn: A sum equal to the interest at a given rate on the principal (face) of a bill or note from the time of discounting until it becomes due.

BANKER Bank"er, n.Etym: [See the nouns Bank and the verbs derived from them.]

1. One who conducts the business of banking; one who, individually, or as a member of a company, keeps an establishment for the deposit or loan of money, or for traffic in money, bills of exchange, etc.

2. A money changer. [Obs.]

3. The dealer, or one who keeps the bank in a gambling house.

4. A vessel employed in the cod fishery on the banks of Newfoundland. Grabb. J. Q. Adams.

5. A ditcher; a drain digger. [Prov. Eng.]