cossie

[ koz-ee ]

noun

, Australian Informal.

1. a bathing suit; bathers.

cossie

/ ˈkɒzɪ /

noun

1. an informal name for a swimming costume

Word History and Origins

Origin of cossie¹

1915–20; ( swimming ) cos(tume) + -ie

Example Sentences

Australians have embraced the “great Aussie cossie” and made it a national treasure.

From The Daily Beast