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Adjective pectoral has 1 sense
  1. pectoral, thoracic - of or relating to the chest or thorax; "pectoral organ"
,Noun pectoral has 2 senses
  1. pectoral, pectoral muscle, pectoralis, musculus pectoralis, pecs - either of two large muscles of the chest
    --1 is a kind of skeletal muscle, striated muscle
    --1 is a part of thorax, chest, pectus
    --1 has particulars:
     pectoralis major, musculus pectoralis major, greater pectoral muscle; pectoralis minor, musculus pectoralis minor, smaller pectoral muscle
  2. pectoral, pectoral medallion - an adornment worn on the chest or breast
    --2 is a kind of adornment
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