roofwindow
nounUK /ˈruːfˌwɪndəʊ/
US /ˈruːfˌwɪndoʊ/
A window built into a roof that lets light and air into a room.
Sunlight poured through the roofwindow onto the attic floor.
OTHER MEANINGS
2. A small window set in the sloping surface of a roof, often opened for ventilation.
She opened the roofwindow to let the warm air out of the loft.
3. An opening in a roof covered with glass or a transparent panel.
The roofwindow was cracked, so rain dripped into the hallway.
4. A window installed in the roof of a vehicle such as a camper or van.
He propped the roofwindow open while camping under the stars.