duotang

English

Etymology

Genericization of the brand name Duo-Tang.

Noun

duotang (plural duotangs)

1. (Canada) A type of folder with three prongs that is commonly used to store papers in elementary school settings.
   • 2001 August 30, “Sundry Letters”, in Words: Woe & Wonder‎^[1] (forum), retrieved July 12, 2024:

     Also what the heck are the origins of the words "Duatang" and "Touque"? These words seem to be uniquely Canadian. [...] Editor's Note: According to the Canadian Oxford Dictionary, Duo-Tang is a "proprietary" term (i.e., a company enjoys trademark protection) for a type of folder for looseleaf paper.