ARMS, or Armories, in Heraldry, marks of dignity and honour, regularly composed of certain figures and colours, given or authorized by sovereigns, and borne on banners, shields, coats, &c. for the distinction of persons, families, and states, and passing by descent to posterity. They are called arms, in regard they were borne principally on the buckler, cuirass, banners, and other apparatus of war. They are also called coats of arms, coat armour, &c. because anciently embroidered on surcoats, &c. See HERALDRY.