Machicolation

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Machicolation

Openings formed by setting the parapets out on corbels so as to project beyond the face of the wall. Some parapets set out on corbels have a similar appearance, even if there are no openings.

machicolation

machicolation
An overhanging defensive structure at the top of a medieval fortification, with floor openings through which boiling water or oil, missiles, etc., could be dropped on attackers.