Meaning of peen

peen

Pronunciation: (pēn), [key]
— n.
  1. a wedgelike, spherical, or other striking end of a hammer head opposite the face.
—v.t.
  1. to enlarge, straighten, or smooth with a peen.
  2. to strengthen (a metal surface) by light hammering or by bombardment with steel balls or shot.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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