High fortress (7)
I believe the answer is:
citadel
(Other definitions for citadel that I've seen before include "Structure in place to protect" , "Fort, fastness" , "Keep - castle" , "Fortress overlooking a city" , "place of refuge" .)
I believe the answer is:
citadel
(Other definitions for citadel that I've seen before include "Structure in place to protect" , "Fort, fastness" , "Keep - castle" , "Fortress overlooking a city" , "place of refuge" .)