PECTORAL a.
bs are articulated; the shoulder girdle. In man it consists of two bones, the scapula and clavicle, on each side. -- Pectorial cross (Eccl.), a cross worn on the breast by bishops and abbots, and sometimes also by canons. -- Pectorial fins, or Pectorials (Zoöl.), fins situated on the sides, behind the gills. See Illu…