Breadcrumb Home > Dictionary > Index M motor vehicle: Meaning and Definition of Find definitions for: mo'tor ve"hicle Pronunciation: [key] an automobile, truck, bus, or similar motor-driven conveyance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. motor van motor voter law ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language