windscreen /ˈwɪn(d).skɹiːn/noun 4verb 1forms 3 noun4 •(UK, Commonwealth) A transparent screen made of glass, located at the front of a vehicle in order to protect its occupants from the wind and weather.Oh no! A vandal has just smashed our windscreen! Susan, can you go and call the insurance company? •A cover for a microphone to exclude airy noises such as wind and breathing. •A draught screen at the side of a passenger train doorway. •A lightweight aerodynamic fairing mounted on the nose of an armor-piercing shell to reduce drag and increase range. verb1 •To install a windscreen on. formswindscreened · windscreening · windscreens