closekey
nounUK /ˈkləʊz.kiː/
US /ˈkloʊz.kiː/
A closekey is a special key that locks something shut.
She turned the closekey to lock the treasure chest.
OTHER MEANINGS
2. A small tool used to tighten a lid on a jar.
He used the closekey to seal the jam jar tightly.
3. A button on a toy that snaps a lid closed.
Press the closekey to shut the toy box.
4. A secret word that ends a computer game level.
Type the closekey to finish the level.