Definition of dupion in US English:

dupion

(also dupioni, silk dupion)

noun

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

    • ‘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.’
    • ‘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.’
    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/