'Head' in the Bible

Yea, and what are ye to me, O Tyre, and Sidon, and all the regions of Philistia? will ye render me a recompense? and if ye recompense me, swiftly and speedily will I return your recompense upon your own head.

behold, I will stir them up out of the place whither ye have sold them, and will return your recompense upon your own head;