Eurodollar

noun2

1. •
   A deposit, in US dollars, held in a bank outside of the United States (no longer necessarily in Europe)

   • We like to go down to restaurant row / Spend those euro-dollars/ All the way from Washington to Tokyo — 1990
2. •
   (informal, no longer used) Synonym of euro (“€”) (nickname used for the unified European currency prior to its introduction and naming; in conversation, media, and fiction)