/ Dictionary / Index D driving dog: Meaning and Definition of Find definitions for: driv'ing dog" Pronunciation: [key] (on a lathe) a clamp securing a piece of work and engaging with a slot in a faceplate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. driving barrel driving iron Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language