/ Dictionary / Index B bombycid: Meaning and Definition of Find definitions for: bom•by•cid Pronunciation: (bom'bu-sid), [key] — n. a moth of the family Bombycidae, comprising a single species, Bombyx mori, the Chinese silkworm moth. —adj. belonging or pertaining to the family Bombycidae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bombycid (Thesaurus) bomb squad Bomu Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language