1. Of or relating to the chest or thorax
   "pectoral organ";
   - thoracic

1. Either of two large muscles of the chest
   "He worked out his pectoral with bench presses and push-ups";
   - pectoral muscle, pectoralis, musculus pectoralis, pecs, pec [informal]
    
2. An adornment worn on the chest or breast
   "The high priest wore an ornate pectoral medallion as part of his ceremonial attire";
   - pectoral medallion

Derived forms: pectorals

Type of: adornment, skeletal muscle, striated muscle

Part of: chest, pectus, thorax

Encyclopedia: Pectoral