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barbican
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Illustration of a typical medieval castle complex viewed from above, showing labeled features including the chapel, inner and outer baileys, kitchen, storehouse, stables, donjon or keep, postern gate, list or ward, moat, portcullis, and drawbridge within fortified walls.
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barbican

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Illustration of a typical medieval castle complex viewed from above, showing labeled features including the chapel, inner and outer baileys, kitchen, storehouse, stables, donjon or keep, postern gate, list or ward, moat, portcullis, and drawbridge within fortified walls.
castle Diagram of a typical medieval castle, with various elements labeled.

A barbican is an outer defensive work, specifically a tower or fortified structure located at the gate or bridge of a castle or town. Its primary historical purpose was to protect the main entrance from invaders. The term originated in Middle English from Anglo-French and Medieval Latin, with its exact ultimate origin being uncertain.1

The term "Barbican" also refers to a specific area in the City of London known for its residential towers and the Barbican Centre, a major complex for arts and cultural facilities, including theaters, concert halls, and exhibition spaces.2

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