BANKNOTE
bill, note, government note, bank bill, banker's bill, bank note, banknote, Federal Reserve note, greenback
(noun) a piece of paper money (especially one issued by a central bank); “he peeled off five one-thousand-zloty notes”
Source: WordNet® 3.1
Etymology
Noun
banknote (plural banknotes)
(now, historical) A promissory note issued by a bank, payable at a given time to a specific beneficiary. [from 17th c.]
A piece of paper currency. [from 18th c.]
Synonyms
• (piece of paper currency): note (commonplace in the United Kingdom and Ireland), bill (more common in the United States and Canada)
Source: Wiktionary