a construction having a central vault intersected by vaults of lower pitch.
Origin of underpitch vault
Also called Welsh vault.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
architect a vault that is intersected by one or more vaults of lower pitch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012