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peen

Pronunciation: /piːn/

(also pein)
Definition of peen

noun

  • the end of a hammer head opposite the face, typically wedge-shaped, curved, or spherical: [in combination]:a ball-peen hammer

verb

[with object]
  • strike with a hammer or the peen of a hammer: each run of weld is peened before the next run is applied
  • another term for shot-peen.

Origin:

early 16th century (as a verb): probably of Scandinavian origin; compare with Swedish dialect pena (ut), Danish dialect pene (ud) 'beat (out)'

peen in other Oxford dictionaries

Definition of peen in the US English dictionary