faceplate

Etymology
.

Noun

 * 1) A removable protective shield separating the inner workings of a machine from operator and observer.
 * 2) A rigid flat surface that has an active role in the interaction of a device with an operator or user.
 * 3) A transparent window forming part of a helmet directly in front of the wearer's face, allowing them to see out.
 * 1) A transparent window forming part of a helmet directly in front of the wearer's face, allowing them to see out.

Translations

 * German: Frontplatte,