1. a dormer window, especially one in a roof or spire
Usage: architectural

Examples

• The old church featured a beautiful lucarne that provided light to the bell tower.
• Medieval cathedrals often incorporated lucarnes into their architectural design.
• The architect added a lucarne to brighten the attic space.
• Restoration work included repairing the damaged lucarne on the east side.
• The lucarne’s Gothic styling matched the building’s overall aesthetic.
• Light streamed through the small lucarne into the upper chamber.