visor

A remarkable piece of bioelectronic engineering that allowed Geordi La Forge to see, despite the fact that he was born blind. A slim deviece worn over the face like a pair of sunglasses, the VISOR permitted vision in not only vision in not only visible light, but across much of the electromagnetic spectrum including infrared and radio waves.The VISOR, while giving La Forge better-than-normal sight, also caused him continuous pain.

Vis"or (?), n. [OE. visere, F. visiere, 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.

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.

© Webster 1913.