PEC'TORAL, adjective [Latin pectoralis, from pectus, breast.] Pertaining to the breast; as the pectoral muscles; pectoral medicines. The pectoral fins of a fish are situated on the sides of the fish, behind the gills. PEC'TORAL, noun A breastplate. 1. A sacerdotal habit or vestment worn by the Jewish high priest, called in our version of the Bible, a breastplate. 2. A medicine adapted to cure or relieve complaints of the breast and lungs.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI