'Covering' in the Bible

But she had taken them up to the roof, covering them with the stems of flax which she had put out in order there.

And he put the king of Ai to death, hanging him on a tree till evening: and when the sun went down, Joshua gave them orders to take his body down from the tree, and put it in the public place of the town, covering it with a great mass of stones, which is there to this day.

And at their cry, the Lord made it dark between you and the Egyptians, and made the sea go over them, covering them with its waters; your eyes have seen what I did in Egypt: then for a long time you were living in the waste land.