ravelin
Sign in to saveAlso known as Demi-lune
thumb|Two ravelins (top left of image) in Goes, The Netherlands thumb|Ravelin in the Dutch town of Bergen op Zoom thumb|300px|Ravelin protecting the entrance of Fort McHenry, [[Baltimore, Maryland]] thumb|The Moers fortifications, designed by [[Simon Stevin, where ravelins appear as triangular shapes surrounded by water, with wall (shown in dark green) facing outwards with no wall on the inner side.]]
Wikidata facts
- Subclass of
- architectural element
- Part of
- fortification
- Image
- 2025 Twierdza Kłodzko, rawelin Jabłonka (1).jpg
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- Commons category
- Ravelin
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via Wikidata · CC0
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Encyclopedic overview
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thumb|Two ravelins (top left of image) in Goes, The Netherlands thumb|Ravelin in the Dutch town of Bergen op Zoom thumb|300px|Ravelin protecting the entrance of Fort McHenry, [[Baltimore, Maryland]] thumb|The Moers fortifications, designed by [[Simon Stevin, where ravelins appear as triangular shapes surrounded by water, with wall (shown in dark green) facing outwards with no wall on the inner side.]]
A ravelin is a triangular fortification or detached outwork, located in front of the innerworks of a fortress (the curtain walls and bastions). Originally called a demi-lune, after the lunette, the ravelin is placed outside a castle and opposite a fortification curtain wall.
Excerpted from Wikipedia’s “ravelin” article, available under the CC BY-SA 4.0 licence.