visor

1. A part of a helmet, arranged so as to lift or open, and so show the face. The openings for seeing and breathing are generally in it.
2. A mask for the face.
3. The fore piece of a cap, projecting over, and protecting the eyes.
4. A rigid adjustable flap on an automobile windshield that can shield the eyes of a driver from direct sunlight or glare.

الجمع visors