citadel

citadel

noun

Definition of CITADEL

a structure or place from which one can resist attack <a massive stone citadel continues to command the city of Halifax, Nova Scotia>

Synonyms bastion, castle, citadel, fastness, fortification, fortress, hold, redoubt, stronghold

Related Words battlement, breastwork, bulwark, earthwork, embattlement, parapet, rampart; bunker, dugout; blockhouse, garrison house; alcazar, casbah (also kasbah)