vizor 
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            wordnet sense 
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Web Definitions:
 
 
 
 
- visor: a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face
- bill: a brim that projects to the front to shade the eyes; "he pulled down the bill of his cap and trudged ahead"
- A visor (also spelled vizor) is a surface that protects the eyes, such as shading them from the sun or other bright light or protecting them from objects. ...