cartreleaser
nounUK /ˈkɑːt.rɪˌliː.sər/
US /ˈkɑːrt.rɪˌliː.sər/
A cartreleaser is a person or tool that lets a cart go free.
The cartreleaser pulled the pin so the shopping carts could roll away.
OTHER MEANINGS
2. A small lever that opens the brake on a cart.
He pressed the cartreleaser to let the cart roll downhill.
3. A worker who unhooks carts from a train.
The cartreleaser waved the train on after freeing the last cart.
4. A software button that frees a stuck shopping cart.
Tap the cartreleaser on the screen to unlock your cart.