Definition of dupion in US English:

dupion

(also dupioni, silk dupion)

noun

  • 1A rough slubbed silk fabric woven from the threads of double cocoons.

    • ‘The ensemble was in deep red silk dupion with kantha, aariwork and crystal embellishments.’
    • ‘The bag body is a beautiful floral printed linen and the pleat is melon pink silk dupion.’
    • ‘Other fabrics used include Khadi blended with modal, Lycra blended with dupion or raw silk, a finer version of Noil silk, which reduces the piling effect of a fabric which otherwise drapes well.’
    1. 1.1 An imitation of silk dupion with other fibers.

Origin

Early 19th century (in the sense ‘double cocoon’): from French doupion, from Italian doppione, from doppio ‘double’.

Pronunciation

dupion

/ˈdo͞opēˌän/