dormer.

a roofed projection containing a window that rises from a sloping roof

Use it for

Words that belong together

• dormer window
• gabled dormer
• roof dormer

On the page

A small dormer overlooked the lane.

The dormer roof was missing several tiles.

She opened the dormer window to hear the rain.

Usage notes

Primary curation section: Architecture. A dormer includes the projecting structure; dormer window specifically names its window. Plural: dormers.