Noah Webster
Pectoral
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.