groin vault

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groin vault

n.
A vault formed by the intersection of two or more barrel vaults. Also called cross vault.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The church consists of two groin-vaulted bays, separated by a transverse rib, with a semi-circular apse with a semi-dome on top of it (the divisions are clearly demarcated by the rise and fall of the rooflines along the north side).
Very possibly designed by Gibbs, this has a groin-vaulted, galleried interior like a fragment of St Martin-in-the-Fields, London.
* The Tour: Sebastiani's exquisite groin-vaulted stone winery dates from the fin de si&le.