noun
- a fortress that commands a city
- a strong or secure place; a refuge
Usage: figurative
Examples
- The ancient citadel overlooked the harbor from its hilltop position.
- Enemy forces laid siege to the citadel for three months.
- The university became a citadel of learning and research.
- She viewed her home as a citadel of peace in the busy city.
- The old citadel now serves as a museum for tourists.
- They retreated to the citadel when the city walls were breached.
- The library was his citadel, where he found solace in books.