noun A transparent screen made of glass, located at the front and back of a vehicle in front of its occupants to protect them from the wind force generated by the vehicle's speed and inclement weather.
The freezing rain covered our windshield with ice and we couldn't see a thing.
noun A cover for a microphone to exclude airy noises such as wind and breathing.
noun A lightweight aerodynamic fairing mounted on the nose of an armor-piercing shell to reduce drag and increase range.