the chief heraldic officer of a country. In England the king-at-arms had been formerly of good authority. Their business is to direct the heralds, preside at their chapters, and have the jurisdiction of armory. You can find three main kings-at-arms, viz., Garter, Clarencieux, and Norroy. The latter (literally north roy or north king) officiates north of this Trent.
In heraldry, an officer of some antiquity in the uk, and previously of great expert, whose business it's to direct the heralds, preside at their particular chapters, and also have the jurisdiction of armory