faceplate — ONAD

faceplate /ˈfāsplāt, ˈfeɪspleɪt

▸ noun

1 a plate protecting a piece of machinery, a light switch, or an electrical outlet.

2 an enlarged end or attachment on the end of the mandrel on a lathe, with slots and holes on which work can be mounted.

3 the transparent window of a diver's or astronaut's helmet.

4 the part of a cathode ray tube that carries the phosphor screen.