/ Dictionary / Index S silkworm: Meaning and Definition of Find definitions for: silk•worm Pronunciation: (silk'wûrm"), [key] — n. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: silkworm (Thesaurus) silkweed silkworm moth Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language