
[Middle English, from Old French barbacane, from Medieval Latin barbacana, from Persian barbārkhān : barbār, guard (from Old Iranian *parivāraka-, protective) + khān, house (from Middle Persian).]
A tower or advance work defending the entrance to a castle.

A barbican, from medieval Latin barbecana, signifying the "outer fortification of a city or castle," with cognates in the Romance languages (perhaps deriving ultimately from Arabic or Persian cf. bab-khanah "gate-house" and "towered gateway"[1] or from the mediaeval English burgh-kenning[2]), is a fortified outpost or gateway, such as an outer defense to a city or castle, or any tower situated over a gate or bridge which was used for defensive purposes. Usually barbicans were situated outside the main line of defences and connected to the city walls with a walled road called the neck. In the 15th century, with the improvement in siege tactics and artillery, barbicans lost their significance. However, several barbicans were built even in the 16th century.
Fortified or mock-fortified gatehouses remained a feature of ambitious French and English residences into the 17th century.
Fortifications in East Asia also featured similar structures. In particular, gates in Chinese city walls were often defended by an additional "archery tower" in front of the main gatehouse, with the two towers connected by walls extending out from the main fortification. Called literally "jar walls", they are often referred to as "barbicans" in English.
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| Wikisource has the text of the 1911 Encyclopædia Britannica article Barbican. |
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