Pectoralis (noun) Definition, Meaning & Examples

noun, plural pec·to·ral·es [pek-tuh-ral-eez, -rey-leez, -rah-]. /ˌpɛk təˈræl iz, -ˈreɪ liz, -ˈrɑ-/. Anatomy.
  1. either of two muscles on each side of the upper and anterior part of the thorax, the action of the larger (pectoralis major ) assisting in drawing the shoulder forward and rotating the arm inward, and the action of the smaller (pectoralis minor ) assisting in drawing the shoulder downward and forward.
Pectoralis (noun) Definition, Meaning & Examples

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