transparent screen (as of glass) to protect occupants of a vehicle
"The driver carefully wiped off the windshield so they could see clearly through the rain."
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 and weather.
"She wiped the raindrops off her car's windshield so she could see the road ahead clearly during the storm."
To install a windshield on.
"The mechanic spent three hours carefully installing the cracked windshield after the accident."