Definition
A glorified fortress sitting smugly on a hilltop, basically a medieval real estate flex where the rich people kept their stuff and poor people kept their distance. Still metaphorically used for any heavily protected place or last stronghold.
Example: The castle citadel overlooked the entire valley.
Example Usage
The castle citadel overlooked the entire valley.
Source: Military and historical architecture terminology
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See “citadel” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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