'Fortified' in the Bible

And it came to pass, when Joshua and the children of Israel had made an end of slaying them with a very great slaughter, till they were consumed, and the remnant which remained of them had entered into the fortified cities,

Now therefore give me this hill-country, whereof Jehovah spake in that day; for thou heardest in that day how the Anakim were there, and cities great and fortified: it may be that Jehovah will be with me, and I shall drive them out, as Jehovah spake.

and the border turned to Ramah, and to the fortified city of Tyre; and the border turned to Hosah; and the goings out thereof were at the sea by the region of Achzib;

And the fortified cities were Ziddim, Zer, and Hammath, Rakkath, and Chinnereth,