2. Relating to, or good for, diseases of the chest or lungs;
as, a pectoral remedy.
3. (Zo["o]l.) Having the breast conspicuously colored; as,
the pectoral sandpiper.
{Pectoral arch}, or {Pectoral girdle} (Anat.), 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.
{Pectorial cross} (Eccl.), a cross worn on the breast by
bishops and abbots, and sometimes also by canons.
{Pectorial} fins, or {Pectorials} (Zo["o]l.), fins situated
on the sides, behind the gills. See Illust. under {Fin}.
{Pectorial rail}. (Zo["o]l.) See {Land rail}
(b) under {Land}.
{Pectorial sandpiper} (Zo["o]l.), the jacksnipe
(b) .