underpitch vault

[ uhn-der-pich ]
/ ˈʌn dərˌpɪtʃ /

noun

a construction having a central vault intersected by vaults of lower pitch.
Also called Welsh vault.

Origin of underpitch vault

British Dictionary definitions for underpitch vault

underpitch vault
/ (ˈʌndəˌpɪtʃ) /

noun

architect a vault that is intersected by one or more vaults of lower pitch