securewindow

noun
UK /sɪˈkjʊə ˈwɪndəʊ/
US /sɪˈkjʊr ˈwɪndoʊ/

A secure window is a window that locks so people cannot open it from outside.

We put a secure window in the baby's room so she cannot fall out.


OTHER MEANINGS

2. A window in a computer program that is protected from other programs.

The bank's app opens a secure window for typing your password.

3. A strong window made to stop thieves from breaking in.

The shop installed a secure window after the burglary.

4. A window that stays shut tight in a storm.

Our secure window kept the rain out during the hurricane.