backplate

Etymology

From back + plate.

backplate means A plate protecting a fighting person's back. Lexicurio rates it Rare gem — a strength score of 76 out of 100.

noun

A plate protecting a fighting person's back.“The cuirass of Roman muscled type is composed of an anatomically modeled breastplate and backplate, each made in one with a gorget […]”
A plate harnessed to a diver's back, to which the gas cylinders are attached.
The metal plate on the rear of a computer's casing, where the ports are found.
A wood or metal (or glass, etc) plate that serves as a backing for an object.
A rigid metal plate inside the brake drum, which supports the wheel cylinder, brake shoes, and other parts of a drum brake.
Part of a condenser microphone that sits behind the diaphragm and which acts, in conjunction with the diaphragm, as a sort of variable capacitor.