pectorial

As a noun breast

is either of the two organs on the front of a woman's chest, which contain the mammary glands; also the analogous organs in men.

As a verb breast

is to push against with the breast; to meet full on, to oppose, to face.

As an adjective pectorial is

(archaic) pectoral.

As adjectives the difference between sectorial and pectorial

is that sectorial is (anatomy) adapted for cutting while pectorial is (archaic) pectoral.

As a noun sectorial

is a sectorial, or carnassial, tooth.

As adjectives the difference between pectorial and rectorial

is that pectorial is (archaic) pectoral while rectorial is relating to a rector.

As adjectives the difference between pectorial and tectorial

is that pectorial is (archaic) pectoral while tectorial is serving to cover something.

As adjectives the difference between pectorial and vectorial

is that pectorial is (archaic) pectoral while vectorial is (mathematics) of or pertaining to a vector.

As adjectives the difference between pectorial and pictorial

is that pectorial is pectoral while pictorial is of, relating to, composed of, or illustrated by pictures.

As a noun pictorial is

a newspaper or magazine with many pictures, or section thereof.

As adjectives the difference between pectorial and pectoral

is that pectorial is pectoral while pectoral is of or pertaining to the breast, or chest; as, the pectoral muscles.

As a noun pectoral is

protective armor for a horse's breast.