Meaning ofbackplatein English

Noun

1. a protective plate for a person's back
   The firefighter wore a backplate under their uniform for protection.
2. a metal cover for computer ports
   The computer's backplate had several ports for connecting peripherals.
3. a plate for diver's gas cylinders
   Scuba divers use a backplate to attach their gas cylinders.
4. a metal support in a drum brake
   The mechanic replaced the backplate in the drum brake system.