Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Black's Law Dictionary: 2nd Edition

    One whose business it is to make assays of the precious metals.
    —Assayer of the king. An officer of the royal mint, appointed by St. 2 Hen. VI. c. 12, wbo received and tested the bullion taken in for coining; also called "assayator regis." Cowell ; Termes de la Ley.