greenback Meaning, Definition & Usage
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noun a piece of paper money (especially one issued by a central bank)
bank bill; banknote; bill; banker's bill; note; Federal Reserve note; government note; bank note.
- he peeled off five one-thousand-zloty notes
WordNet
Green"back" noun
Definitions
One of the legal tender notes of the United States; -- first issued in 1862, and having the devices on the back printed with green ink, to prevent alterations and counterfeits.