[ sit-uh-dl, -uh-del ]
/ ˈsɪt ə dl, -əˌdɛl /


a fortress that commands a city and is used in the control of the inhabitants and in defense during attack or siege.
any strongly fortified place; stronghold.
(formerly) a heavily armored structure on a warship, for protecting the engines, magazines, etc.

Words nearby citadel

Origin of citadel

1580–90; < Middle French citadelle < Old Italian cittadella, equivalent to cittad(e) city + -ella -elle Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for citadel

British Dictionary definitions for citadel

/ (ˈsɪtədəl, -ˌdɛl) /


a stronghold within or close to a city
any strongly fortified building or place of safety; refuge
a specially strengthened part of the hull of a warship
(often capital) the headquarters of the Salvation Army

Word Origin for citadel

C16: from Old French citadelle, from Old Italian cittadella a little city, from cittade city, from Latin cīvitās
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012