an irregular silk thread reeled from two or more entangled cocoons and producing a coarse yarn generally used in fabrics such as shantung or pongee.

Also dou·pi·on [doo-pee-ohn] /ˌdu piˈoʊn/, dou·pi·o·ni, dupion, dupioni.

Origin of douppioni

< Italian doppione; see dupion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019