corbel arch


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corbel arch

[′kȯr·bəl ‚ärch]
(architecture)
A structure resembling an arch, in which successive courses project farther into a gap until they close.

corbel arch

corbel arch
Masonry built over a wall opening by uniformly advancing courses from each side until they meet at a midpoint. The stepped reveals may be smoothed, even arcuated, but no arch action is effected—not a true arch.