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

    Extortion; compulsion by threats and without force.

  • Black's Law Dictionary: 2nd Edition

    In the civil law. The unlawful forcing of another by threats of violence to give something of value. It differs from robbery, in this; That in robbery the thing ls taken by force, while in concussion it is obtained by threatened violence, Helnec. Elem. ยง 1071. In medical jurisprudence. Co.ncusslon of the brain is a jarring of the brain substance, hy a fall, blow, or other external injury, without laceration of its tissue, or with only microscopical laceration. Maynard v. Railroad Ch, 43 Or. 63, 72 Pac. 590.