(1):
(n.) A breastplate, esp. that worn by the Jewish high person.
(2):
(a.) Having the breast conspicuously colored; as, the pectoral sandpiper.
(3):
(a.) Relating to, or good for, diseases of the chest or lungs; as, a pectoral remedy.
(4):
(n.) A clasp or a cross worn on the breast.
(5):
(n.) A medicine for diseases of the chest organs, especially the lungs.
(6):
(n.) A covering or protecting for the breast.
(7):
(a.) Of or pertaining to the breast, or chest; as, the pectoral muscles.