: a piece on the front of a helmet that you can pull down to protect your face
: the part of a hat or cap that sticks out in front to protect or shade your eyes
: a flat, stiff piece of material on the inside of a car above the windshield that you can pull down to keep sunlight from shining in your eyes
What made you want to look up visor? Please tell us where you read or heard it (including the quote, if possible).