trolleycoin
nounUK /ˈtrɒli kɔɪn/
US /ˈtrɑːli kɔɪn/
A special coin you use to unlock a shopping cart.
I forgot my trolleycoin, so I had to ask the cashier for change.
RELATED WORDS
OTHER MEANINGS
2. A metal or plastic token shaped like a coin that fits the lock on a luggage trolley at a station or airport.
He kept a trolleycoin in his wallet for the airport luggage carts.
3. A reusable coin substitute kept on a keyring for unlocking carts.
She clipped a trolleycoin to her keys so she would never be stuck without one.
4. A small deposit coin returned to you when you bring the cart back.
The trolleycoin pops out of the lock once you chain the cart back up.