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peen

[ peen ]
/ pin /
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noun
a wedgelike, spherical, or other striking end of a hammer head opposite the face.
verb (used with object)
to enlarge, straighten, or smooth with a peen.
to strengthen (a metal surface) by light hammering or by bombardment with steel balls or shot.
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Origin of peen

1505–15; earlier pen<Scandinavian; compare Swedish, Norwegian pen (noun) in same sense (perhaps <German Pinne peen). See pin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use peen in a sentence

British Dictionary definitions for peen

peen
/ (piːn) /

noun
the end of a hammer head opposite the striking face, often rounded or wedge-shaped
verb
(tr) to strike with the peen of a hammer or with a stream of metal shot in order to bend or shape (a sheet of metal)

Word Origin for peen

C17: variant of pane, perhaps from French panne, ultimately from Latin pinna point
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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