greenback

[ green-bak ]
/ ˈgrinˌbæk /

noun

a U.S. legal-tender note, printed in green on the back since the Civil War, originally issued against the credit of the country and not against gold or silver on deposit.

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Origin of greenback

An Americanism dating back to 1860–65; green + back1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for greenback

British Dictionary definitions for greenback

greenback
/ (ˈɡriːnˌbæk) /

noun

US informal an inconvertible legal-tender US currency note originally issued during the Civil War in 1862
US slang a dollar bill
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012