/ Dictionary / Index C chalcidfly: Meaning and Definition of Find definitions for: chal•cid•fly Pronunciation: (kal'sid-flī"), [key] — pl. -flies. any of numerous small flies of the family Chalcididae, often having bright metallic coloration, the larvae of which are chiefly parasitic on various stages of other insects. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chalcidfly (Thesaurus) chalcedony Chalcidice Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language