faceplate — English Dictionary

Noun

1. A removable protective shield separating the inner workings of a machine from operator and observer.

   Examples

   More examples (1)

   The keyboard's faceplate, that is, the cover holding the plastic key against the rubber keyboard, is usually molded ABS (acrylonitrile butadiene styrene) plastic.

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.

Noun

1. a protective covering for the front of a machine or device (as a door lock or computer component)

   Broader terms

   protective coveringprotective coverprotection