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pectoral

Definitions of pectoral
  1. noun
    either of two large muscles of the chest
    synonyms: músculo pectoral
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    types:
    músculo pectoral mayor, pectoral mayor
    a skeletal muscle that adducts and rotates the arm
    músculo pectoral menor, pectoral menor
    a skeletal muscle that draws down the scapula or raises the ribs
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