/ Dictionary / Index M motorsports: Meaning and Definition of Find definitions for: mo•tor•sports Pronunciation: (mō'tur-spôrts", -spōrts"), [key] — n.pl. competitions, esp. races, involving motor vehicles, as automobiles, motorboats, or motorcycles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. motorship motor torpedo boat 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