'Bank bill' definitions:

Definition of 'bank bill'

noun

A piece of paper money (especially one issued by a central bank); "he peeled off five one-thousand-zloty notes" [syn: bill, note, government note, bank bill, banker's bill, bank note, banknote, Federal Reserve note, greenback]

From: GCIDE

Bank bill \Bank" bill`\ (b[a^][ng]k" b[i^]l`).
1. In America (and formerly in England), a promissory note of a bank payable to the bearer on demand, and used as currency; a bank note. [1913 Webster]
2. In England, a note, or a bill of exchange, of a bank, payable to order, and usually at some future specified time. Such bills are negotiable, but form, in the strict sense of the term, no part of the currency. [1913 Webster]

From: GCIDE

banknote \bank"note`\, bank note \bank" note`\(b[a^][ng]k"n[=o]t`).
1. A promissory note issued by a bank or banking company, payable to the bearer on demand. See also sense 4. [1913 Webster]
Note: In the United States popularly called a bank bill. [1913 Webster]
2. Formerly, a promissory note made by a banker, or banking company, payable to a specified person at a fixed date; a bank bill. See Bank bill, 2. [Obs.] [1913 Webster]
3. A promissory note payable at a bank. [1913 Webster]
4. A promissory note issued by an authorized bank, payable to the bearer on demand and intended to circulate as government-authorized money; in the United States such notes may only be issued by a Federal Reserve Bank; as, he peeled off five one-thousand-zloty banknotes.
Syn: bill, note, government note, bank bill, banker's bill, bank note, Federal Reserve note, greenback. [1913 Webster +PJC]