trolleykey
nounUK /ˈtrɒl.kiː/
US /ˈtrɑː.li.kiː/
A trolleykey is a special key that starts a shopping cart or a small train.
Dad put the trolleykey in the slot to unlock the shopping cart.
OTHER MEANINGS
2. A small tool used to open the coin box on a luggage trolley.
The porter used a trolleykey to free the stuck coin.
3. A key that turns on the power in a tram or trolleybus.
The driver turned the trolleykey and the tram began to move.
4. A code or password that unlocks a shared online shopping cart.
Enter the trolleykey to open your saved cart.