Visor \Vis"or\, n. [OE. visere, F. visi[`e]re, fr. OF. vis. See Visage, Vision.]

[Written also visar, visard, vizard, and vizor.]

1. 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.

2. A mask used to disfigure or disguise. ``My very visor began to assume life.'' --Shak.

My weaker government since, makes you pull off the visor. --Sir P. Sidney.

3. The fore piece of a cap, projecting over, and protecting the eyes.

Source: Webster's Revised Unabridged Dictionary (1913)