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

    Any expert in his own art is credible therein.

  • Black's Law Dictionary: 2nd Edition

    Any person skilied in his peculiar art or profession is to be believed, [i. e., when he speaks of matters connected with such art.] Co. Litt 125a; Shelf. Mae, & Div. 206. Credence should be given to one skilled In his peculiar profession. Broom, Max. 932.