Pectoral — Defs

01 a. Of or pertaining to the breast, or chest; as, the pectoral muscles.

1.
Of or pertaining to the breast, or chest; as, the pectoral muscles.
2.
Relating to, or good for, diseases of the chest or lungs; as, a pectoral remedy.
3.
Having the breast conspicuously colored; as, the pectoral sandpiper.(Zool.)

Phrases & compounds

Pectoral arch — the two or more bony or cartilaginous pieces of the vertebrate skeleton to which the fore limbs are articulated; the shoulder girdle. In man it consists of two bones, the scapula and clavicle, on each side.

Pectoral cross — a cross worn on the breast by bishops and abbots, and sometimes also by canons.

Pectoral fins — fins situated on the sides, behind the gills. See Illust. under Fin.

Pectoral rail — See Land rail (b) under Land.

Pectoral sandpiper — the jacksnipe (b).

02 n. A covering or protecting for the breast.

1.
A covering or protecting for the breast.
2.
A breastplate, esp. that worn by the Jewish high person.(Eccl.)
3.
A medicine for diseases of the chest organs, especially the lungs.