[ silk-wurm ]
/ ˈsɪlkˌwɜrm /


the larva of the Chinese silkworm moth, Bombyx mori, which spins a cocoon of commercially valuable silk.
the larva of any of several moths of the family Saturniidae, which spins a silken cocoon.

Origin of silkworm

before 1000; Middle English sylkewyrme, Old English seolcwyrm. See silk, worm Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for silkworm

British Dictionary definitions for silkworm


/ (ˈsɪlkˌwɜːm) /


the larva of the Chinese moth Bombyx mori, that feeds on the leaves of the mulberry tree: widely cultivated as a source of silk
any of various similar or related larvae
silkworm moth the moth of any of these larvae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for silkworm



Old English seolcwyrm; see silk + worm (n.).

Online Etymology Dictionary, © 2010 Douglas Harper