plural pecs
ˈpeks 
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
Austin MurphyHunky Patrick Swayze got to flex his pecs as a surfer in Point Break …—Jim Harwood
Jim HarwoodIn this totally enjoyable film, Schwarzenegger is witty, charming, subtle, tough and most impressive—a Cary Grant with pecs.—Ralph Novak
Ralph NovakExamples of pec in a Sentence
Recent Examples on the Web
Life Time Luxury Athletic Country Club will be the latest place in Brea to tone those abs and pecs and do so much more.
—Terri Daxon, Oc Register, 25 Dec. 2025
Most scenes are pulled straight from Reid’s novel, each tilt of a chin and press of a pec choreographed to the page.
—Angelina Mazza, Vulture, 18 Dec. 2025
Surtain missed three-plus games since injuring his pec against Dallas in Week 8 and Singleton missed just one game — Nov. 16 against Kansas City — after having surgery Nov. 8 to remove a cancerous tumor from a testicle.
—Parker Gabriel, Denver Post, 26 Nov. 2025
Push-Ups Push-ups target your upper body and challenge key muscle groups, including the triceps, pecs, and shoulders.
—Jakob Roze, Health, 24 Sep. 2025
See All Example Sentences for pec
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Terri Daxon, Oc Register, 25 Dec. 2025
Most scenes are pulled straight from Reid’s novel, each tilt of a chin and press of a pec choreographed to the page.
—Angelina Mazza, Vulture, 18 Dec. 2025
Surtain missed three-plus games since injuring his pec against Dallas in Week 8 and Singleton missed just one game — Nov. 16 against Kansas City — after having surgery Nov. 8 to remove a cancerous tumor from a testicle.
—Parker Gabriel, Denver Post, 26 Nov. 2025
Push-Ups Push-ups target your upper body and challenge key muscle groups, including the triceps, pecs, and shoulders.
—Jakob Roze, Health, 24 Sep. 2025
See All Example Sentences for pec
Cite this Entry
“Pec.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pec. Accessed 4 Jan. 2026.
Copy CitationMedical Definition
pec
noun
: pectoralis
—usually used in plural
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