/ Dictionary / Index M motor drive: Meaning and Definition of Find definitions for: mo'tor drive" Pronunciation: (mō'tur-driv"un), [key] a mechanical system, including an electric motor, used to operate a machine or machines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. motorcycle motordrome Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language