'Heads' in the Bible

They trample on the dirt-covered heads of the poor; they push the destitute away. A man and his father go to the same girl; in this way they show disrespect for my moral purity.

I saw the sovereign One standing by the altar and he said, "Strike the tops of the support pillars, so the thresholds shake! Knock them down on the heads of all the people, and I will kill the survivors with the sword. No one will be able to run away; no one will be able to escape.