secretbox

noun
UK /ˈsiː.krət.bɒks/
US /ˈsiː.krət.bɑːks/

A secretbox is a small box where you keep things you want to hide.

She put her diary in the secretbox under her bed.


OTHER MEANINGS

2. A locked container used to store valuable or private items safely.

He kept his passport and coins in a secretbox at home.

3. A software tool or feature that keeps data private by encrypting it.

The app uses a secretbox to protect your messages.

4. A small decorative box with a hidden compartment.

The wooden secretbox had a tiny drawer nobody could find.