/ Dictionary / Index G gall midge: Meaning and Definition of Find definitions for: gall' midge" Pronunciation: [key] any of several dipterous insects of the family Cecidomyiidae, the larvae of which form characteristic galls on plants. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. galliwasp gall mite Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language