barrel roof
noun
a roof or ceiling having a semicylindrical form.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use barrel roof in a sentence
It has a plain barrel roof, divided by broad flat arches rising from pilasters.
Bell's Cathedrals: Wimborne Minster and Christchurch Priory | Thomas PerkinsIn shape it was like a long tunnel or a long, narrow railway station, an impression intensified by a monotonous barrel roof.
Simon the Jester | William J. Locke
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