A battlement (also called a crenellation) in defensive architecture such as that of city walls or castles, comprises a parapet (i.e. a short wall), in which portions have been cut out at intervals to allow the discharge of arrows or other missiles. These cut-out portions form crenels (also known as carnels, embrasures, loops or wheelers). The solid widths between the crenels are called merlons (also cops or kneelers). Battlements often have openings between the supporting corbels, through which stones or burning objects could be dropped on attackers; these are known as machicolations. A wall with battlements is said to be crenellated or embattled. Battlements may have protected walkways (chemin de ronde) behind them.
The term originated around the 14th century from the Old French word batailler, "to fortify with batailles" (fixed or movable turrets of defence).
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Battlements have been used for thousands of years; the earliest known example is in the palace at Medinet-Abu at Thebes in Egypt, which allegedly derives from Syrian fortresses. Battlements were used in the walls surrounding Assyrian towns, as shown on bass reliefs from Nimrud and elsewhere. Traces of them remain at Mycenae in Greece, and some ancient Greek vases suggest the existence of battlement. Battlements are present in the Great Wall of China.
The Romans used low wooden pinnacles for their first aggeres (terreplains). In the battlements of Pompeii, additional protection derived from small internal buttresses or spur walls against which the defender might place himself so as to gain complete protection on one side. In the battlements of the Middle Ages the crenel comprised one-third of the width of the merlon: the latter, in addition, could be provided with arrow-loops of various shapes (from simply round to cruciform), depending from the weapon to fire. Late merlons permitted fire from the first firearms. From the 13th century the merlons, moreover, could be connected with wooden shutters that provided added protection when closed. The shutters were designed to be opened to allow fire backwards against the attackers, and closed during reloading.
Loop-holes were frequent in Italian battlements, where the merlon has much greater height and a distinctive cap. 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. The normal rectangular-shaped merlons were later nicknamed Guelph. In Muslim and African fortifications the merlons often had a rounded shape.
The battlements of the Arabs had a more decorative and varied character, and continued from the 13th century onwards not so much for defensive purposes as for a crowning feature to their walls. They appear therefore in the same light as the cresting found in the Spanish renaissance. Similarly, European architects persistently used battlements as a purely decorative feature throughout the Decorated and Perpendicular periods. They not only occur on parapets but on the transoms of windows and on the tie-beams of roofs and on screens, and even on Tudor chimney-pots.
A further decorative treatment appears in the elaborate paneling of the merlons and that portion of the parapet walls rising above the cornice, by the introduction of quatrefoils and other conventional forms filled with foliage and shield.
BATTLEMENT (probably from a lost Fr. form bastillement, cf. mod. Fr. bastille, from Med. Lat. bastilia, towers, which is derived from Ital. bastire, to build, cf. Fr. bdtir; the English word was, however, early connected with "battle"), a term given to a parapet of a wall, in which portions have been cut out at intervals to allow the discharge of arrows or other missiles; these cut-out portions are known as "crenels"; the solid widths between the "crenels" are called "merlons." The earliest example in the palace at Medinet-Abu at Thebes in Egypt is of the inverted form, and is said to have been derived from Syrian fortresses. Through Assyria they formed the termination of all the walls surrounding the towns, as shown on bas reliefs from Nimrud and elsewhere. Traces of them have been found at Mycenae, and they are suggested on Greek vases. In the battlements of Pompeii, additional protection was given by small internal buttresses or spur walls against which the defender might place himself so as to be protected completely on one side. In the battlements of the middle ages the crenel was about one-third of the width of the merlon, and the latter was in addition pierced with a small slit. The same is also found in Italian battlements, where the merlon is of much greater height and is capped in a peculiar fashion. The battlements of the Mahommedans had a more decorative and varied character, and were retained from the 13th century onwards not so much for defensive purposes as for a crowning feature to their walls. They may be regarded therefore in the same light as the cresting found in the Spanish renaissance. The same retention of the battlement as a purely decorative feature is found throughout the Decorated and Perpendicular periods, and not only occurs on parapets but on the transoms of windows and on the tie-beams of roofs and on screens. A further decorative treatment was given in the elaborate panelling of the merlons and that portion of the parapet walls rising above the cornice, by the introduction of quatrefoils and other conventional forms filled with foliage and shields.
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Categories: BAS-BAU | Architectural elements | Defense and armor
a parapet wall or balustrade surrounding the flat roofs of the
houses, required to be built by a special law (Deut 22:8). In Jer 5:10, it denotes the parapet
of a city wall.
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