- 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. - 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.
Meaning of 'bank bill' (Princeton's WordNet)
1 . bank bill
[ n]
Meaning (1): - a piece of paper money (especially one issued by a central bank)