Definition of: pectoral

(pek′tər·əl) adjective
1. Of or pertaining to the breast or thorax.
2. As if proceeding from the breast or inner consciousness; more especially, of an emotional character: pectoral theology.
3. Adapted to, efficacious in, or designed for relieving or curing diseases of the lungs or chest.
—noun
1. An ornament worn on the breast; especially, the pectoral cross worn on the breast by bishops, abbots, etc.
2. A pectoral organ, fin, or muscle.
3. Any medicine for ailments of the chest. [<L pectoralis <pectus, -oris the breast]