Dictionary
du•pi•on
Pronunciation: (dOO'pē-ōn"), [key]—
n.
1. a cocoon formed jointly by two silkworms.
2. douppioni.
Also,du•pi•o•niPronunciation: (dOO"pē-ō'nē). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.