pectoral muscle

pectoral muscle

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

pec′toral mus′cle

n. any of four muscles, two on each side, originating in the chest wall and extending to the shoulders and upper arms.

Thesaurus

Noun

1.

pectoral muscle - either of two large muscles of the chestmusculus pectoralis, pecs, pectoral, pectoralisskeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripesgreater pectoral muscle, musculus pectoralis major, pectoralis major - a skeletal muscle that adducts and rotates the armmusculus pectoralis minor, pectoralis minor, smaller pectoral muscle - a skeletal muscle that draws down the scapula or raises the ribschest, pectus, thorax - the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates

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