Definition of "motor racing" []

• Racing in motor vehicles, such as cars, motorboats, or motorbikes. (noun)

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• "Pussycat Dolls star Nicole Scherzinger has split from motor racing driver Lewis Hamilton. ..."
• "For some reason, maybe connected with having a faulty sense of humour, the proud owners of these jumbo-size entries tended to have given them coy names like Buckaboo, entered by Sammy Topwith of motor racing fame, Big Bouncie, a fancied US contender, and Skimmie, the great hope of the Aussies."