A battlement, in defensive architecture, such as that of city walls or

castle A castle is a type of fortification, fortified structure built during the Middle Ages predominantly by the nobility or royalty and by Military order (monastic society), military orders. Scholars usually consider a ''castle'' to be the private ...

s, comprises a

parapet A parapet is a barrier that is an upward extension of a wall at the edge of a roof, terrace, balcony, walkway or other structure. The word comes ultimately from the Italian ''parapetto'' (''parare'' 'to cover/defend' and ''petto'' 'chest/brea ...

(a defensive low wall between chest-height and head-height), in which gaps or indentations, which are often rectangular, occur at intervals to allow for the launch of arrows or other projectiles from within the defences. These gaps are termed embrasures, also called crenels or crenelles, and a wall or building with them is described as ; alternative older terms are and . The act of adding crenels to a previously unbroken parapet is termed crenellation. The function of battlements in war is to protect the defenders by giving them part of the parapet to hide behind, from which they can quickly expose themselves to launch projectiles, then retreat behind the parapet. A defensive building might be designed and built with battlements, or a

manor house A manor house was historically the main residence of the lord of the manor. The house formed the administrative centre of a manor in the European feudal system; within its great hall were usually held the lord's manorial courts, communal mea ...

might be fortified by adding battlements, where no parapet previously existed, or cutting crenellations into its existing parapet wall. A distinctive feature of late medieval English church architecture is to crenellate the tops of church towers, and often the tops of lower walls. These are essentially decorative rather than functional, as are many examples on secular buildings. The solid widths between the crenels are called merlons. Battlements on walls have protected walkways, termed chemin de ronde behind them. On tower or building tops, the often flat roof is used as a protected fighting platform.

Etymology

The term originated in about the 14th century from the

Old French Old French (, , ; ) was the language spoken in most of the northern half of France approximately between the late 8th turrets of defence). The word ''crenel'' derives from the ancient French ' (modern French '), Latin ', meaning a notch, mortice or other gap cut out often to receive another element or fixing; see also Mortise and tenon">mortice or other gap cut out often to receive another element or fixing; see also crenation. The modern French word for crenel is ', also used to describe a gap of any kind, for example a parking space at the side of the road between two cars, interval between groups of marching troops or a timeslot in a broadcast.

Licence to crenellate

In medieval England and Wales a licence to crenellate granted the holder permission to fortify their property. Such licences were granted by the king, and by the rulers of the counties palatine within their jurisdictions, e.g. by the Bishops of Durham and the Earl of Chester">Earls of Chester and after 1351 by the Duke of Lancaster">Dukes of Lancaster. The castles in England vastly outnumbered the licences to crenellate. Royal pardons were obtainable on the payment of an arbitrarily-determined fine by a person who had fortified without licence. The surviving records of such licences, generally issued by letters patent, provide valuable evidence for the dating of ancient buildings. A list of licences issued by the English Crown between the 12th and the 16th centuries was compiled by Turner & Parker and expanded and corrected by Philip Davis and published in ''The Castle Studies Group Journal''. There has been academic debate over the purpose of licensing. The view of military-focused historians is that licensing restricted the number of fortifications that could be used against a royal army. The modern view, proposed notably by Charles Coulson, is that battlements became an architectural status-symbol much sought after by the socially ambitious, in Coulson's words: "Licences to crenellate were mainly symbolic representations of lordly status: castellation was the architectural expression of noble rank". They indicated to the observer that the grantee had obtained "royal recognition, acknowledgment and compliment". They could, however, provide a basic deterrent against wandering bands of thieves, and it is suggested that the function of battlements was comparable to the modern practice of householders fitting highly visible CC TV and burglar alarms, often merely dummies. The crown usually did not charge for the granting of such licences, but occasionally charged a fee of about half a mark.

Machicolations

Battlements may be stepped out to overhang the wall below, and may have openings at their bases between the supporting

corbel In architecture, a corbel is a structural piece of stone, wood or metal keyed into and projecting from a wall to carry a wikt:superincumbent, bearing weight, a type of bracket (architecture), bracket. A corbel is a solid piece of material in t ...

s, through which stones or burning objects could be dropped onto attackers or besiegers; these are known as

machicolation In architecture, a machicolation () is an opening between the supporting corbels of a battlement through which defenders could target attackers who had reached the base of the defensive wall. A smaller related structure that only protects key ...

History

Battlements have been used for thousands of years; the earliest known example is in the fortress at Buhen in

Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...

. Battlements were used in the walls surrounding

Assyria Assyria (Neo-Assyrian cuneiform: , ''māt Aššur'') was a major ancient Mesopotamian civilization that existed as a city-state from the 21st century BC to the 14th century BC and eventually expanded into an empire from the 14th century BC t ...

n towns, as shown on '' bas reliefs'' from

Nimrud Nimrud (; ) is an ancient Assyrian people, Assyrian city (original Assyrian name Kalḫu, biblical name Calah) located in Iraq, south of the city of Mosul, and south of the village of Selamiyah (), in the Nineveh Plains in Upper Mesopotamia. ...

and elsewhere. Traces of them remain at

Mycenae Mycenae ( ; ; or , ''Mykē̂nai'' or ''Mykḗnē'') is an archaeological site near Mykines, Greece, Mykines in Argolis, north-eastern Peloponnese, Greece. It is located about south-west of Athens; north of Argos, Peloponnese, Argos; and sou ...

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...

, and some

ancient Greek Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek ...

vases suggest the existence of battlements. The

Great Wall of China The Great Wall of China (, literally "ten thousand ''li'' long wall") is a series of fortifications in China. They were built across the historical northern borders of ancient Chinese states and Imperial China as protection against vario ...

has battlements.

Development

In the European battlements of the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of global history. It began with the fall of the Western Roman Empire and ...

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 on the weapon being utilized. Late merlons permitted fire from the first

firearm A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and operated by an individual. The term is legally defined further in different countries (see legal definitions). The first firearms originate ...

s. From the 13th century, the merlons could be connected with wooden shutters ( mantlets) that provided added protection when closed. The shutters were designed to be opened to allow shooters to fire against the attackers, and closed during reloading.

Ancient Rome

The Romans used low wooden pinnacles for their first ''aggeres'' ( terrepleins). In the battlements of

Pompeii Pompeii ( ; ) was a city in what is now the municipality of Pompei, near Naples, in the Campania region of Italy. Along with Herculaneum, Stabiae, and Villa Boscoreale, many surrounding villas, the city was buried under of volcanic ash and p ...

, additional protection derived from small internal buttresses or spur walls, against which the defender might stand so as to gain complete protection on one side.

Italy

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. This would allow the defender to be protected whilst shooting standing fully upright. The normal rectangular merlons were later nicknamed Guelph.

Indian subcontinent

Many South Asian battlements are made up of parapets with peculiarly shaped merlons and complicated systems of loopholes, which differ substantially from rest of the world. Typical Indian merlons were semicircular and pointed at the top, although they could sometimes be fake: the parapet may be solid and the merlons shown in relief on the outside, as is the case in Chittorgarh. Loopholes could be made both in the merlons themselves, and under the crenels. They could either look forward (to command distant approaches) or downward (to command the foot of the wall). Sometimes a merlon was pierced with two or three loopholes, but typically, only one loophole was divided into two or three slits by horizontal or vertical partitions. The shape of loopholes, as well as the shape of merlons, need not have been the same everywhere in the castle, as shown by Kumbhalgarh.

Middle East and Africa

Muslim Muslims () are people who adhere to Islam, a Monotheism, monotheistic religion belonging to the Abrahamic religions, Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God ...

and

Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...

n fortifications, the merlons often were rounded. The battlements of the

Arabs Arabs (, , ; , , ) are an ethnic group mainly inhabiting the Arab world in West Asia and North Africa. A significant Arab diaspora is present in various parts of the world. Arabs have been in the Fertile Crescent for thousands of yea ...

had a more decorative and varied character, and were continued from the 13th century onwards not so much for defensive purposes as for a crowning feature to the walls. They serve a function similar to the cresting found in the Spanish Renaissance architecture.

Ireland

"Irish" crenellations are a distinctive form that appeared in

Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...

between the 14th and 17th centuries. These were battlements of a "stepped" form, with each merlon shaped like an inverted 'T'.

Decorative element

European architects persistently used battlements as a purely decorative feature throughout the Decorated and

Perpendicular In geometry, two geometric objects are perpendicular if they intersect at right angles, i.e. at an angle of 90 degrees or π/2 radians. The condition of perpendicularity may be represented graphically using the '' perpendicular symbol'', � ...

periods of Gothic architecture. 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 In architecture, a cornice (from the Italian ''cornice'' meaning "ledge") is generally any horizontal decorative Moulding (decorative), moulding that crowns a building or furniture element—for example, the cornice over a door or window, ar ...

, by the introduction of

quatrefoil A quatrefoil (anciently caterfoil) is a decorative element consisting of a symmetrical shape which forms the overall outline of four partially overlapping circles of the same diameter. It is found in art, architecture, heraldry and traditional ...

s and other conventional forms filled with foliage and shield.

Gallery

File:Rohtas Fort Gate.jpg, alt=, Rohtas Fort, Pakistan File:ইদ্রাকপুর দুর্গ 05.jpg, alt=, Idrakpur Fort, Bangladesh File:St. Munnas Church Taghmon County Westmeath.JPG, alt=, Taghmon Church in

County Westmeath County Westmeath (; or simply ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Leinster and is part of the Eastern and Midland Region. It formed part of the historic Kingdom of ...

, Ireland, with Irish crenellations File:Old Blagaj fort.jpg, Blagaj fortress in Bosnia

References

Sources

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