The Collaborative International Dictionary
Dupion
Dupion \Du"pi*on\, n. [F. doupion, It. doppione, fr. doppio double, L. duplus. See Double, and cf. Doubloon.] A double cocoon, made by two silkworms.
Wiktionary
dupion
n. A double cocoon, made by two silkworms.
Usage examples of "dupion".
Personally I much prefer good old silk dupion, but apparently that’s frightfully old hat.
The room was tastefully furnished in soft gold and green, with heavy, fringed curtains in cream silk dupion, and elegant art nouveau chairs.