'Upper chambers' in the Bible

The upper chambers were narrower because the galleries took away more space from them than from the lower and middle stories of the building.

For they were arranged in three stories and had no pillars like the pillars of the courts; therefore the upper chambers were set back from the ground more than the lower and middle stories.

He builds His upper chambersin the heavensand lays the foundation of His vaulton the earth.He summons the waters of the seaand pours them out on the face of the earth.Yahweh is His name.