greenbackglossary / GREENBACK greenback, n. Slang. A legal-tender note of the United States; any note issued by a federal reserve bank. • The term was coined in 1862 when the backs of American paper currency were first printed in green ink. 词条贡献者 译员黎川,在一家顶尖澳洲律师事务所的上海办公室担任全职法律翻译,擅长翻译涉及工业与制造业领域的法律文件。