compound vault

compound vault

Any vault formed by the intersection of two or more vaults; types include cloister vault, domical vault, groin vault, and segmental vault. See also: Vault
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

compound vault

One whose construction appears to depend upon a pendant placed on each side, and within the walls that carry the main vault.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.