citadel

/หˆsษชtษ™dษ™l/

IPA: /S IH1 T AH0 D EH0 L/

noun
  1. 1

    A strong fortress that sits high above a city.

  2. 2

    (sometimes figurative) A stronghold or fortified place.

  3. 3

    An armoured portion of a warship, housing important equipment.

  4. 4

    A Salvation Army meeting place.

Source: https://en.wiktionary.org/wiki/citadel