General Motors
From Longman Dictionary of Contemporary EnglishGeneral MotorsˌGeneral ˈMotors trademark (abbrev. GM) one of the world's largest car companies, which is based in the US and has factories in many countries. Its makes (=types) of cars and trucks include Chevrolet, Cadillac, Oldsmobile, Pontiac, and Buick, and in Europe, Opel and Vauxhall.