Also found in: Dictionary, Thesaurus.
A continuous corbel arch over a space, used by the ancient Mayas of Yucatan; also known as a Mayan arch.See also: Vault
corbel vault, corbeled vault
A masonry roof constructed from opposite walls, or from a circular base, by shifting courses slightly and regularly inward until they meet. The resulting stepped surface can be smoothed or curved, but no arch action is incurred.