fastenedwindow
nounUK /ˈfɑːsənd ˈwɪndəʊ/
US /ˈfæsənd ˈwɪndoʊ/
A window that is shut and locked so it cannot open.
The fastened window kept the cold wind out of the room.
OTHER MEANINGS
2. A window held in place with nails or screws.
The carpenter checked the fastened window before painting the frame.
3. A window that is firmly attached to its frame.
The storm shook the house, but the fastened window stayed in place.
4. A window closed with a catch or bolt.
She opened the fastened window to let in some fresh air.