"A crow-stepped gable, stepped gable, or corbie step is a stairstep type of design at the top of the triangular gable-end of a building. The top ...
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of the parapet wall projects above the roofline and the top of the brick or stone wall is stacked in a step pattern above the roof as a decoration and as a convenient way to finish the brick courses." - (en.wikipedia.org 08.09.2019)
