from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A simple continuous vault, typically semicircular in cross section. Also called tunnel vault, wagon vault.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A simple roof having a curved, often semicircular cross section; used to span large distances in railway stations, churches, etc. Usually supported on columns.
- n. A building profile featuring a rounded profile to the roof on the short axis, but with no angle change on a cut along the long axis.
from the GNU version of the Collaborative International Dictionary of English
- n. See under Vault.
- n. a kind of vault having two parallel abutments, and the same section or profile at all points. It may be rampant, as over a staircase (see Rampant vault, under Rampant), or curved in plan, as around the apse of a church.
from The Century Dictionary and Cyclopedia
- n. A plain, semicylindrical vault, much used by ancient architects, and employed generally by medieval builders before the reappearance of groined vaulting at the close of the eleventh century.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the simplest form of vault; a single continuous arch
Sorry, no etymologies found.