Definitions for "Fan vault"
Keywords:  vault, apex, ribs, tierceron, lierne
resembles a fan! Constructed in concave ribs of equal length, which spring from a central point. The ribs meet, or nearly meet at the apex or crown of the vault.
1. A rib vault in which the ribs radiate from the springing point like a fan. 2. Style of vaulting typical of England in the 16th century, in which the ribs are of equal length and form a fan shape.
Late form of tierceron vault in which the segments are rounded to form a series of inverted cone shapes
Keywords:  church, architecture, roof, type
a type of roof used in church architecture