Fan vault

/fˈan vˈɒlt/

/fˈæn vˈɑːlt/

Fan vault

an architectural feature characterized by a complex network of stone ribs radiating from a central point, creating a fan-like pattern in the ceiling or vault

Examples

1. This is the, the fan vault ceiling in the gallery at Strawberry Hill.

2. And while most of us would be likely to think of the origins of architecture as a history of the stacking of stones, Walpole himself was quite clear, the first architectural gesture was the weaving of branches to form a roof, right, woven, rather than stacked, and I see that repeated in the fan vault ceiling.