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pec·to·ral 'pek-t(ə-)rəl n
2) a medicinal substance for treating diseases of the respiratory tract
pectoral adj
1) of, relating to, or occurring in or on the chest <\pectoral arch>
2) relating to or good for diseases of the respiratory tract <a \pectoral syrup>
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adj.
relating to the chest.
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pec·to·ral (pekґtər-əl) [L. pectoralis] thoracic.Medical dictionary. 2011.