1. Peak

Commonly used in British English, referring to the protruding part of the cap designed to shield the eyes.

2. Bill

Frequently used in American English, especially in the context of baseball caps, to describe the flat, front part extending from the crown.

3. Brim

A general term for the projecting edge or rim of a cap or hat, which includes the visor.

4. Beak

Informally used to describe the front part of a cap that extends outward, particularly in streetwear culture.

5. Shield

Emphasizes the protective function of the visor in shielding the eyes from the sun.

6. Flap

A colloquial term for the extended portion of a cap, often used in casual settings.

7. Lid

Slang term referring to the entire cap, but sometimes specifically used for the visor.

8. Overbrim

Describing a visor that extends slightly beyond the normal length, providing extra shade.