dormer-window
nounEtymology See dormer.
1
An upright window built from a sloping roof.
- He walked slowly past the gate and peered through a narrow gap in the cedar hedge. The girl was moving along a sanded walk, toward a gray, unpainted house, with a steep roof, broken by dormer windows.1900, Charles W. Chesnutt, chapter I, in The House Behind the Cedars: