'Fenced' in the Bible

And it cometh to pass, when Joshua and the sons of Israel finish to smite them -- a very great smiting, till they are consumed, and the remnant who have remained of them go in unto the fenced cities,

And now, give to me this hill-country, of which Jehovah spake in that day, for thou didst hear in that day, for Anakim are there, and cities, great, fenced; if so be Jehovah is with me, then I have dispossessed them, as Jehovah hath spoken.'

and the border hath turned back to Ramah, and unto the fenced city Tyre; and the border hath turned back to Hosah, and its outgoings are at the sea, from the coast to Achzib,