'Layer' in the Bible

So it came about at evening that the quails came up and covered the camp, and in the morning there was a layer of dew around the camp.

When the layer of dew evaporated, behold, on the surface of the wilderness there was a fine flake-like thing, fine as the frost on the ground.

with three layers of huge stones and one layer of timbers. And let the cost be paid from the royal treasury.