File:Bastion_(PSF).jpg · Wikimedia Commons · See Wikimedia Commons
Also known as bastions
thumb|right|Drawing of a bastion
A bastion is a projecting structure built onto a fortification wall, designed to allow defenders to shoot at attackers from multiple angles. It was an important feature of medieval and early modern castles and forts because it provided better defensive coverage than flat walls alone.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).