backprotector

noun
UK /ˈbæk.prəˌtek.tər/
US /ˈbæk.prəˌtek.tɚ/

A backprotector is a soft pad you wear to keep your back safe.

She put on her backprotector before riding her bike.


OTHER MEANINGS

2. A hard shell worn over the spine during sports to prevent injury.

The skier's backprotector cracked but kept him from getting hurt.

3. A cushion attached to a chair to support the lower back.

He added a backprotector to his office chair for comfort.

4. A cover that shields the back of a device or book from damage.

The tablet's backprotector kept its case scratch-free.