vizard

noun3

1. •
   (no longer used) A mask (cover for the face, used for disguise, protection, etc.)

   • There, then, that vizard, that superfluous case That hid the worse and show’d the better face. — 1595
2. •
   (no longer used) A visor (part of a helmet covering the face).
3. •
   (figurative, no longer used) Outward appearance; pretense.

   • Oh, that deceit should steal such gentle shapes, And with a virtuous vizard hide foul guile! — 1593