du|pi|on

du|pi|on «DOO pee ohn, DYOO-», noun.

1. a double cocoon formed by two silkworms spinning together.

2. the coarse silk furnished by such double cocoons: »

... the immensely popular slub-textured cloths of the shantung and dupion type (London Times).

Also, dupioni, douppioni.

╂[< French doupion < Italian doppione, augmentative of doppio double < Latin duplus; see etym. under duple (Cf. ↑duple)]