'Castles' in the Bible

These are the sons of Ishmael, and these are their names, by their towns, and by their castles; twelve princes according to their nations.

And they burnt all their cities wherein they dwelt, and all their goodly castles, with fire.

Now these are their dwelling places throughout their castles in their coasts, of the sons of Aaron, of the families of the Kohathites: for theirs was the lot.

And over the king's treasures was Azmaveth the son of Adiel: and over the storehouses in the fields, in the cities, and in the villages, and in the castles, was Jehonathan the son of Uzziah:

And Jehoshaphat waxed great exceedingly; and he built in Judah castles, and cities of store.

Moreover he built cities in the mountains of Judah, and in the forests he built castles and towers.