Definition of loonie in English:

loonie

noun

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

    • ‘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.’
    • ‘Without a doubt, the loonie's sharp appreciation has somewhat eroded the competitiveness of Canada's export sector.’
    • ‘I supposed it was good that he'd paid because I only had a loonie and a dime in my pocket.’
    • ‘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.’

Origin

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

Pronunciation:

loonie

/ˈluːni/