openkey
nounUK /ˈəʊpənkiː/
US /ˈoʊpənkiː/
A special key that opens a lock or starts something.
She used the openkey to unlock the treasure chest.
OTHER MEANINGS
2. A code or password that lets you get into a computer system or account.
He typed the openkey to log in to the game.
3. A small tool or button that starts a machine or opens a gate.
Press the openkey to make the robot move.
4. Something that helps you understand or solve a problem.
Kindness can be an openkey to making new friends.