/ Dictionary / Index W worm drive: Meaning and Definition of Find definitions for: worm' drive" Pronunciation: [key] — Mach. Mach. a drive mechanism utilizing a worm gear. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. worm worm-eaten Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language