Definition of visors:
(n) :
The fore piece of a cap, projecting over, and protecting the eyes.
(n) :
A rigid adjustable flap on an automobile windshield that can shield the eyes of a driver from direct sunlight or glare.
(n) :
A part of a helmet, arranged so as to lift or open, and so show the face. The openings for seeing and breathing are generally in it.
(n) :
A mask for the face.
(v) :
(transitive) To cover with, or as if with, a visor.
(n) :
(UK, law) Initialism of Violent and Sexual Offenders Register.