pectoral muscle
noun
: any of the muscles which connect the ventral walls of the chest with the bones of the upper arm and shoulder and of which there are two on each side of the human body
Examples of pectoral muscle in a Sentence
Recent Examples on the Web
The report confirms the company fears Cassidy has sustained a torn pectoral muscle.
—
Andrew Ravens, MSNBC Newsweek, 1 July 2025
Mesquita and colleagues found protein markers of dynamic mitochondrial changes (opens a new tab) in the migratory birds’ pectoral muscles, which are crucial to flight, with fewer in their leg muscles or in any muscles of the nonmigrants.
—Elizabeth Landau, Quanta Magazine, 19 May 2025
The lat muscle, along with the teres major and the pectoral muscles, allow the shoulder to adduct, rotate and extend the arm.
—Abbey Mastracco, New York Daily News, 9 May 2025
Lemberg's wife Isla, 27, told Newsweek that the tumor was found in his chest, under the pectoral muscle.
—Mark Joseph, Newsweek, 22 Feb. 2025
See All Example Sentences for pectoral muscle
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Andrew Ravens, MSNBC Newsweek, 1 July 2025
Mesquita and colleagues found protein markers of dynamic mitochondrial changes (opens a new tab) in the migratory birds’ pectoral muscles, which are crucial to flight, with fewer in their leg muscles or in any muscles of the nonmigrants.
—Elizabeth Landau, Quanta Magazine, 19 May 2025
The lat muscle, along with the teres major and the pectoral muscles, allow the shoulder to adduct, rotate and extend the arm.
—Abbey Mastracco, New York Daily News, 9 May 2025
Lemberg's wife Isla, 27, told Newsweek that the tumor was found in his chest, under the pectoral muscle.
—Mark Joseph, Newsweek, 22 Feb. 2025
See All Example Sentences for pectoral muscle
Cite this Entry
“Pectoral muscle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pectoral%20muscle. Accessed 25 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share