The definition of a fort is a building that has been protected, often because of its military importance.
An embankment of earth, usually surmounted by a parapet, encircling a castle, fort, etc., for defense against attack
The definition of a garrison is a military fort or a body of troops stationed at a military fort.
The definition of a citadel is a place where people go for safety or to defend.
The definition of a castle is a large fortified building or set of buildings where royalty lives, or a large and impressive house.
(Geology) An ice barrier.
Something used in fortifying; esp., a fort or defensive earthwork, wall, etc.
Find another word for fortresses. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for fortresses, like: forts, strongholds, ramparts, garrisons, citadels, castles, barriers and fortifications.