keyguard

Etymology

From key + guard.

keyguard means A plate or shield with a set of holes that fits over a keyboard. Lexicurio rates it Sui generis — a strength score of 91 out of 100.

noun

A plate or shield with a set of holes that fits over a keyboard.
A feature on a mobile phone, etc. that prevents keys from being pressed by accident.“Remember to turn on the keyguard before you put the phone in your pocket.”