peen

peen
[piːn]
(亦作pein)
noun
  1. the end of a hammer head opposite the face, typically wedge-shaped, curved, or spherical
    (尤指楔形、曲线形或球形的)锤顶
verb
  1. [with obj.]strike with a hammer or the peen of a hammer
    用锤子敲击;用锤顶敲打
    ■another term for shot-peen
    同shot-peen
语源
  1. early 16th cent. (as a verb): probably of Scandinavian origin; compare with Swedish dialect pena (ut), Danish dialect pene (ud) 'beat (out')
英语宝典
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