Pectoral /(pĕk"tō̇*ral)/

Pec·to·ral

Pectoral

a.
  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).

Pectoral

n.
  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.