buykey
nounUK /ˈbaɪkiː/
US /ˈbaɪkiː/
A buykey is a special key you use to buy things.
She used her buykey to get a new toy from the machine.
OTHER MEANINGS
2. A secret code that lets someone buy things online.
He typed his buykey to finish the order.
3. A small card you swipe to pay for items.
Tap your buykey at the counter to pay.
4. A magic key in a game that unlocks new items to buy.
Find the buykey to open the treasure shop.