/ Dictionary / Index G gall mite: Meaning and Definition of Find definitions for: gall' mite" Pronunciation: [key] a mite of the family Eriophyidae that feeds on plant juices, damaging buds, leaves, and twigs and causing galls and other deformities. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gall midge gallnut Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language