/ Dictionary / Index M motorbike: Meaning and Definition of Find definitions for: mo•tor•bike Pronunciation: (mō'tur-bīk"), [key] — n., v., -biked, -bik•ing. —n. a small, lightweight motorcycle. a bicycle that is propelled by an attached motor. —v.i. to go by motorbike; drive or ride a motorbike. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: motorbike (Thesaurus) motor aphasia motorboat Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language