adjective
Of or pertaining to the breast, or chest.
Relating to, or good for, diseases of the chest or lungs.
(zoology) Having the breast conspicuously colored.
noun
A pectoral fin.
Protective armor for a horse's breast.
A covering or protection for the breast.
A breastplate, especially that worn by the Jewish high priest.
(ecclesiastical) A clasp, cross, or ornamental square of cloth etc. worn upon the breast.
(historical) An ancient Egyptian item of jewelry worn upon the chest, often part of (or constituting) a necklace or collar.
A medicine for diseases of the chest organs, especially the lungs.