PEC'TORAL, a. [L. 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, n. 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.