vi·sor 
/ˈvaɪzɚ/ noun
plural vi·sors /ˈvaɪzɚ/ noun [count] 1 : a piece on the front of a helmet that you can pull down to protect your face 2 US : the part of a hat or cap that sticks out in front to protect or shade your eyes — see picture at hat 3 : 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 — see picture at car
