visor
	英 ['vaɪzə]
美['vaɪzɚ]
	    
	
    - n. 遮阳板;面甲;帽舌
- vt. (用面具等)遮护
 
    英英释意
	
	- 1. a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face
- 2. a brim that projects to the front to shade the eyes;
- "he pulled down the bill of his cap and trudged ahead"