How do you spell Peen

Available Definitions:
1)  n. - A round-edged, or hemispherical, end to the head of a hammer or sledge, used to stretch or bend metal by indentation.
2)  n. - The sharp-edged end of the head of a mason's hammer.
3)  v. t. - To draw, bend, or straighten, as metal, by blows with the peen of a hammer or sledge.