'Walls' in the Bible

And he has made his resting-place in the towns which have been pulled down, in houses where no man had a right to be, whose fate was to become masses of broken walls.

Which make oil within their walls, and tread their winepresses, and suffer thirst.

“In the dark they dig into [the penetrable walls of] houses;They shut themselves up by day;They do not know the light [of day].

“As through a wide breach they come,Amid the crash [of falling walls] they roll on [over me].