Webster's Revised Unabridged Dictionary - Cite This Source - Share This
pein
Peen \Peen\, n. [Cf. G. pinne pane of a hammer.] (a) A round-edged, or hemispherical, end to the head of a hammer or sledge, used to stretch or bend metal by indentation. (b) The sharp-edged end of the head of a mason's hammer. [Spelt also pane, pein, and piend.]
Webster's Revised Unabridged Dictionary, � 1996, 1998 MICRA, Inc.