DictionarycitadelFortified stronghold
noun

citadel

SIT-uh-dul/ˈsɪtədəl/

A fortified stronghold defending a city.

The stone citadel rises above the city, protecting it from the surrounding hills.

Walled citadel rises above dense medieval city, fortress protecting town with thick defensive walls gate and towers, realistic geography.
Etymology

The pieces give the image of a “little city.” This diminutive city-name came to designate a fortress commanding a city or protecting an important place.

In context

Enhanced Public Domain64:15
left a Macedonian Garrison there in the Citadel the name of the Citadel was cadmia
Alexander the Great Biography (Audiobook)

More examples

  • Defenders retreated to the citadel.
  • The university became a citadel of independent thought.
  • They attacked the movement's strongest intellectual citadel.

Forms

citadel · citadels

Similar words

fortress
Fortress is a general fortified stronghold; citadel commonly defends or dominates a city.