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pectoral muscle

British

noun

either of two large chest muscles ( pectoralis major and pectoralis minor ), that assist in movements of the shoulder and upper arm

"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

Example Sentences

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But let's not forget Grigor Dimitrov led Sinner by two sets to love in the Wimbledon fourth round before tearing his right pectoral muscle as he sent down a 14th ace.

From BBC • Jan. 23, 2026

A below-par display against Dimitrov went unpunished when the luckless Bulgarian popped a pectoral muscle in the third set.

From BBC • Jul. 9, 2025

Since then, a torn pectoral muscle and nagging elbow injury have forced him to adjust his practice routine.

From Los Angeles Times • Aug. 4, 2024

The Steelers will be without inside linebacker Elandon Roberts, who sustained a pectoral muscle against Cincinnati.

From Washington Times • Dec. 26, 2023

Pain in left great pectoral muscle, worse toward the tendon.

From New, Old, and Forgotten Remedies: Papers by Many Writers by Anshutz, Edward Pollock

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023