douppioni

douppioni [doo-pee-oh-nee] Word Origin noun

1. 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