'Walls' in the Bible

And he shall look on the plague, and, behold, if the plague be in the walls of the house with hollow strakes, greenish or reddish, which in sight are lower than the wall;

And the priest shall come again the seventh day, and shall look: and, behold, if the plague be spread in the walls of the house;

And they will take other stones and put them in place of those stones, and he will take other paste and put it on the walls of the house.

And if the disease comes out again in the house after he has taken out the stones and after the walls have been rubbed and the new paste put on,

But houses in villages that have no walls around them are to be classified as open fields. The right to redeem such houses stays in effect, and they are to be released at the Jubilee.