Definition of pectoralis major in English:

pectoralis major

noun pɛktəˌrɑːlɪs ˈmeɪdʒəpɛktəˌreɪlɪs ˈmeɪdʒə

Anatomy Zoology

The main muscle of the chest, involved primarily in shoulder movement (including the downward movement of the wing in birds), in humans originating from the second to fourth ribs, clavicle, and sternum and inserting on the humerus.

Mid 18th century. From post-classical Latin pectoralis maior from pectoralis + classical Latin maior, originally after French grand pectoral.

noun

Anatomy Zoology

The main muscle of the chest, involved primarily in shoulder movement (including the downward movement of the wing in birds), in humans originating from the second to fourth ribs, clavicle, and sternum and inserting on the humerus.

Mid 18th century. From post-classical Latin pectoralis maior from pectoralis + classical Latin maior, originally after French grand pectoral.

单词	pectoralis major
释义	Definition of pectoralis major in English: pectoralis major noun pɛktəˌrɑːlɪs ˈmeɪdʒəpɛktəˌreɪlɪs ˈmeɪdʒə Anatomy Zoology The main muscle of the chest, involved primarily in shoulder movement (including the downward movement of the wing in birds), in humans originating from the second to fourth ribs, clavicle, and sternum and inserting on the humerus. Origin Mid 18th century. From post-classical Latin pectoralis maior from pectoralis + classical Latin maior, originally after French grand pectoral. Definition of pectoralis major in US English: pectoralis major noun Anatomy Zoology The main muscle of the chest, involved primarily in shoulder movement (including the downward movement of the wing in birds), in humans originating from the second to fourth ribs, clavicle, and sternum and inserting on the humerus. Origin Mid 18th century. From post-classical Latin pectoralis maior from pectoralis + classical Latin maior, originally after French grand pectoral.
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