\ ˈpēn \
peened; peening; peens

Definition of peen

 (Entry 1 of 2)

transitive verb

: to draw, bend, or flatten by or as if by hammering with a peen



Definition of peen (Entry 2 of 2)

: a usually hemispherical or wedge-shaped end of the head of a hammer that is opposite the face and is used especially for bending, shaping, or cutting the material struck

Examples of peen in a Sentence

Recent Examples on the Web: Noun

Drink it with a bunch of snacks named pintxos (peen-chos). Liz Biro, Indianapolis Star, "These rooftop bars and restaurants will help you live your best summer," 18 June 2018 While $1,000 CPUs and 16 cores aren't for everyone, there are plenty of use cases outside of enthusiast e-peen waving (which, to be clear, is a perfectly valid use case, too). Mark Walton, Ars Technica, "AMD Threadripper 1950X review: Better than Intel in almost every way," 10 Aug. 2017 This is not a show content to use a ball peen hammer for precision chiseling when a sledgehammer is available to reduce points to a fine powder. Daniel Fienberg, The Hollywood Reporter, "Critic's Notebook: 'Billions' Caps a Much-Improved Season 2," 9 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'peen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of peen


circa 1522, in the meaning defined above


1683, in the meaning defined above

History and Etymology for peen


probably of Scandinavian origin; akin to Norwegian penn peen

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Learn More about peen

Dictionary Entries near peen


peel off

peel out





Statistics for peen

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Time Traveler for peen

The first known use of peen was circa 1522

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More from Merriam-Webster on peen

Rhyming Dictionary: Words that rhyme with peen

Comments on peen

What made you want to look up peen? Please tell us where you read or heard it (including the quote, if possible).


esteemed in general opinion

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