secretlatch

noun
UK /ˈsiː.krət.lætʃ/
US /ˈsiː.krət.lætʃ/

A secret latch is a hidden catch that opens a door or box.

She found the secretlatch behind the painting and opened the wall.


OTHER MEANINGS

2. A small hidden hook used to keep something shut.

The jewelry box had a tiny secretlatch on its side.

3. A way to unlock something that only a few people know about.

Only the captain knew the secretlatch to the treasure chest.

4. A quiet click made by a hidden catch.

We heard the secretlatch click and the bookcase slid open.