quad bike
From Longman Dictionary of Contemporary Englishquad bikeˈquad bike noun [countable] British English a small vehicle, similar to a motorcycle but with four wide wheels, usually ridden on rough paths or fields SYN four wheeler American EnglishExamples from the Corpusquad bike• A terrier man drives his quad bike into a protestor, knocking him to the ground.Origin quad bike (1900-2000) quadri-