Relating to or resembling a castle or fortress; having the character or appearance of a castle.
From Latin 'castellaris', derived from 'castellum' (fort, castle) plus '-ar' (adjective suffix). The term developed to describe architectural features or defensive structures characteristic of fortified buildings.
When medieval architects designed buildings with 'castellar' features—crenellations, towers, and thick walls—they were communicating 'this is important and powerful!' even if the building wasn't actually a military stronghold. It was castles as status symbol!
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