DictionaryAI

greenback

Short definition from Wiktionary

Noun

  1. Any bill that is legal tender in the US (originally printed with green and black ink) issued by the Federal Reserve.
  2. The United States dollar.
  3. A unit of American currency issued during the Civil War by the Treasury Department.
  4. A wave that has not yet begun to break.

We haven’t written up greenback yet: Simple and Standard meanings, examples and a quiz.