Meaning of the word "eye flap" in English

What does "eye flap" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

eye flap

US /ˈaɪ flæp/
UK /ˈaɪ flæp/

Noun

a protective covering for the eyes, often part of a hat or helmet, that can be lowered or raised

Example:
He pulled down the eye flap of his cap to shield his eyes from the sun.
The helmet features a clear, adjustable eye flap for better visibility.