Also known as: ボールト, かまぼこ型天井, ヴォールト天井, ボールト天井
A High Ceiling held up by Arches, usually made of stone or brick. Often seen in Gothic Architecture.
Historically, they were made of stone and used to hold ceilings up in large stone structures (such as Churches and Castles). Will likely also be a High Ceiling, but vaulted ceilings were also used in Crypts and lower parts of castles with regular ceiling heights so as to support the upper structure.