In architecture, a merlon forms the solid part of an embattledparapet, sometimes pierced by embrasures.
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Loop-holes were frequent in Italian battlements, where the merlon has much greater height and a distinctive cap.
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Italian military architects used the so-called Ghibelline or swallowtail battlement, with V-shaped notches in the tops of the merlon, giving a horn-like effect.
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A solid section between two crenels in a crenelated battlement
Any of the projections between the embrasures of a battlement
The vertical, spiked objects along the frontal area of a wall. They often contained arrow holes through which arrows and other projectiles could be hurled.
The upright part of a battlement (crenellated parapet). The solid part between two embrasures or crenels.
The high segment of the alternating high and low segments of a battlement.