stronghold Synonyms

alcazars protector protection prison presidio peelhouse palisade palace outpost oubliette niche murage lee keep hotbed home hold rampart rath acropolises fasthold forts Towers tower of strength military post command post safehold wall tower support shelter security sanctuary refuge redoubt hippocampus haven cell castle cage bunker bulwark bridgehead breastwork blockhouse battlement bastion base barracoon barbette