groin vault « Back to Glossary Index A curved line that forms when two vaults intersect. Photo from Pisa, Italy, 2018. (Jones, 1992) Synonyms: groined vaultRelated Articles: Architecture / Skin / VaultArchitecture and Ornament (1998)History of Art (1997)How to Read Buildings (2008)Principles of Architecture (1990)« Back to Glossary Index