/ Dictionary / Index D drive shaft: Meaning and Definition of Find definitions for: drive' shaft" Pronunciation: [key] — Mach. Mach. a shaft for imparting torque from a power source or prime mover to machinery. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: driveshaft (Thesaurus) drive screw drive-through Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language