Corbels

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In architecture a corbel (or console) is a piece of stone jutting out of a wall to carry any superincumbent weight. A piece of timber projecting in the same way was called a “tassel” or a “bragger”.
The technique of corbelling, where rows of corbels deeply keyed inside a wall support a projecting wall or parapet, has been used since Neolithic times [1] It is common in Medieval architecture and in the Scottish baronial style as well as in the Classical architectural vocabulary, such as the modillions of a Corinthian cornice and in ancient Chinese architecture.

The word “corbel” comes from Old French and derives from the Latin corbellus, a diminutive of corvus (a raven) which refers to the beak-like appearance.