bastion

bastion

noun

Definition of BASTION

a structure or place from which one can resist attack <the rebel army retreated to its bastion in the mountains to regroup>

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)