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

    One non compos mentis from birth, by perpetual infirmity. See 1 Whart. (Pa.) 53, 29 Am. Dec. 33.

  • Black's Law Dictionary: 2nd Edition

    A person who has been without understanding from hls nativity, and whom the law, therefore, presumes never likely to attain any. Shelf. Lun. 2. See Insanity.