noun vi·zor \ˈvī-zər\

less common spelling of

  1. 1 :  the front piece of a helmet; especially :  a movable upper piece

  2. 2a :  a face maskb :  disguise

  3. 3a :  a projecting front on a cap or headband for shading the eyesb :  a usually movable flat sunshade attached at the top of an automobile windshield

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