cloister vault(redirected from Cloister-vault)
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A domelike vault having a square or polygonal base from which curved segments rise to a central point. Also called domical 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.