visor

US /ˈvaɪ.zɚ/
UK /ˈvaɪ.zɚ/
"visor" picture
1.

a movable part of a helmet that can be pulled down to protect the face

:
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The knight lowered his visor before entering battle.
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He flipped up his motorcycle helmet's visor to talk.
:
faceguardshieldguard
2.

a stiff peak at the front of a cap, used to shade the eyes

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She pulled the visor of her cap down to block the sun.
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He wore a cap with a wide visor to protect his eyes.
:
brimpeak
3.

a sunshade in a vehicle, typically above the windshield, that can be pulled down to block the sun

:
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The driver adjusted the sun visor to reduce glare.
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Don't forget to put down your visor when driving into the sun.
:
sunshadesun shield
:
sun visor