spineprotector
nounUK /ˈspaɪn.prəˌtek.tər/
US /ˈspaɪn.prəˌtek.tɚ/
A spine protector is a soft pad you wear on your back to keep your spine safe.
She put on her spine protector before riding her bike down the hill.
RELATED WORDS
OTHER MEANINGS
2. A stiff panel inside a backpack that keeps the bag from poking your back.
The hiking bag has a spine protector so it stays flat against your back.
3. A cushion or support worn to help your back feel better while sitting.
Grandpa uses a spine protector on his chair to sit more comfortably.
4. A cover that keeps a book's spine from getting bent or torn.
The library puts a clear spine protector on every new book.