DICT.TW Dictionary Taiwan

 green·back /ˈgrinˌbæk/
 美鈔,背部為綠色之動物

 Green·back n. One of the legal tender notes of the United States; a note of paper currency of the United States; -- first issued in 1862, and having the devices on the back printed with green ink, to prevent alterations and counterfeits.
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 greenback
      n : 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]