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Definition of Barrel vault
1. Noun. The simplest form of vault; a single continuous arch.
Generic synonyms: Vault
Definition of Barrel vault
1. Noun. (architecture) A simple roof having a curved, often semicircular cross section; used to span large distances in railway stations, churches, etc. Usually supported on columns. ¹
2. Noun. (context: roofing) A building profile featuring a rounded profile to the roof on the short axis, but with no angle change on a cut along the long axis. ¹
¹ Source: wiktionary.com