childproof window
nounUK /ˈtʃaɪldpruːf ˈwɪndəʊ/
US /ˈtʃaɪldpruːf ˈwɪndoʊ/
A childproof window is a window made safe so young children cannot open it or get hurt.
We installed a childproof window in the nursery so our toddler can't climb out.
OTHER MEANINGS
2. A window fitted with a restrictor that limits how far it can open.
The childproof window only opens a few inches for ventilation.
3. A window with safety glass that resists breaking.
The playroom has a childproof window with laminated glass.
4. A window designed with locks placed out of a child's reach.
Their childproof window has a key lock near the top of the frame.