'Fortresses' in the Bible

and what the land is in which it is dwelling, whether it is good or bad; and what are the cities in which it is dwelling, whether in camps or in fortresses;

And David abideth in the wilderness, in fortresses, and abideth in the hill-country, in the wilderness of Ziph; and Saul seeketh him all the days, and God hath not given him into his hand.

And the Ziphites go up unto Saul to Gibeah, saying, 'Is not David hiding himself with us in fortresses, in the forest, in the height of Hachilah, which is on the south of the desolate place?

And David goeth up thence, and abideth in fortresses at En-gedi.

And gone up her palaces have thorns, Nettle and bramble are in her fortresses, And it hath been a habitation of dragons, A court for daughters of an ostrich.

and the forces of the king of Babylon are fighting against Jerusalem, and against all the cities of Judah that are left -- against Lachish, and against Azekah, for these have been left among the cities of Judah, cities of fortresses.

Swallowed up hath the Lord, He hath not pitied any of the pleasant places of Jacob, He hath broken down in His wrath The fortresses of the daughter of Judah, He hath caused to come to the earth, He polluted the kingdom and its princes.

The Lord hath been as an enemy, He hath swallowed up Israel, He hath swallowed up all her palaces, He hath destroyed His fortresses, And He multiplieth in the daughter of Judah Mourning and moaning.

And he hath dealt in the fortresses of the strongholds with a strange god whom he hath acknowledged; he multiplieth honour, and hath caused them to rule over many, and the ground he apportioneth at a price.

And rise doth a tumult among thy people, And all thy fortresses are spoiled, As the spoiling of Shalman of Beth-Arbel, In a day of battle, Mother against sons dashed in pieces.

And I have cut off the cities of thy land, And I have thrown down all thy fortresses,

All thy fortresses are fig-trees with first-fruits, If they are shaken, They have fallen into the mouth of the eater.

Waters of a siege draw for thyself, Strengthen thy fortresses, Enter into mire, and tread on clay, Make strong a brick-kiln.