Definition of loonie in US English:

loonie

nounPlural loonies

Canadian
informal
  • A Canadian one-dollar coin, introduced in 1987.

    • ‘The central bank wants to help keep a lid on the loonie, which jumped by a dramatic 20 per cent last year, driven in part by the sizeable gap between interest rates here and in the United States coupled with weakness in the U.S. economy.’
    • ‘A loonie is a Canadian one dollar coin, on which is pictured a common loon.’
    • ‘I supposed it was good that he'd paid because I only had a loonie and a dime in my pocket.’
    • ‘Without a doubt, the loonie's sharp appreciation has somewhat eroded the competitiveness of Canada's export sector.’
    • ‘The value of the loonie discouraged 17 per cent of Canadians from travelling outside the country while one per cent did not know or refused to answer.’

Origin

From loon (because of the image on the coin) + -ie.

Pronunciation

loonie

/ˈluni//ˈlo͞onē/