I. ˈpek-t(ə-)rəl noun
Date: 15th century
1. : something worn on the breast
2. : pectoral muscle
II. adjective
Etymology: Middle French or Latin; Middle French, from Latin pectoralis, from pector-, pectus breast; akin to Tocharian A päśšäm breasts, Old Irish ucht breast
Date: 1578
1. : of, situated in or on, or worn on the chest
2. : coming from the breast or heart as the seat of emotion