The windshield of an aircraft, automobile, bus, motorcycle, or tram is the front window. Modern windshields are generally made of laminated safety glass, a type of treated glass, which consists of two (typically) curved sheets of glass with a plastic layer laminated between them for safety, and are glued into the window frame. Motorcycle windshields are often made of high-impact acrylic plastic. As the name implies, their main function is to shield the driver from the wind, though they don't d… (More on Windscreen)