- a vault having the form of a very deep arch.
Origin of barrel vault
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for barrel vault
Barrel-vault: A vault whose cross-section is everywhere the same as if part of a tube.How to judge architecture
The roof seems to have been a barrel-vault, but great part of it has now fallen in.
The height of the interior, from the floor to the centre of the barrel-vault of the nave, is a little over seventy feet.
Sometimes the ceilings were horizontal, sometimes canted on two sides, and sometimes they take the form of a barrel-vault.
- architect a vault in the form of a half cylinderAlso called: wagon vault, tunnel vault