plural pecs ˈpeks How to pronounce pec (audio)
informal
: a muscle connecting the ventral walls of the chest with the bones of the upper arm and shoulder : pectoral muscle
usually plural
His muscular pecs and biceps were vestiges of his short, happy life as a pro triathlete.Austin Murphy
Hunky Patrick Swayze got to flex his pecs as a surfer in Point BreakJim Harwood
In this totally enjoyable film, Schwarzenegger is witty, charming, subtle, tough and most impressive—a Cary Grant with pecs.Ralph Novak

Examples of pec in a Sentence

Recent Examples on the Web
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Their alpha leader is Jim (voiced by Alex Ramirès), a ginger-bearded Adonis with pecs like rocks and a brain that’s considerably softer, not that his legions of Instagram followers and OnlyFans subscribers are after his thoughts. Guy Lodge, Variety, 23 May 2026 The men are tastefully muscled with hairless pecs that never imply they’ve been sculpted by steroids. Sarah Wang, PEOPLE, 16 May 2026 Broken foot, a torn pec, multiple knee injuries, back issues. Ryan Canfield, FOXNews.com, 31 Mar. 2026 These exercises create strong contractions and deep stretches in the pecs, both of which are important for muscle development. Daryl Austin, USA Today, 1 Feb. 2026 See All Example Sentences for pec

Word History

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of pec was in 1944

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Cite this Entry

“Pec.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pec. Accessed 28 May. 2026.

Medical Definition

pec

noun
: pectoralis
usually used in plural

Geographical Definition

Peć

geographical name

variants or Pejë
town in western Kosovo that was the seat of the patriarchs of the Serbian Orthodox Church in the Middle Ages population 49,000

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