A projecting stone, often decorated with sculpture, placed at the intersection of the ribs of a vault.
Boss depicting St. Frideswide in the vault of the chapter house, Christ Church Cathedral, Oxford, UK. 13th century. Photo: Rex Harris.
A projecting stone, often decorated with sculpture, placed at the intersection of the ribs of a vault.
Boss depicting St. Frideswide in the vault of the chapter house, Christ Church Cathedral, Oxford, UK. 13th century. Photo: Rex Harris.