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

    It runs on four feet. It is on all-fours, i. e., in precise accord.

  • Black's Law Dictionary: 2nd Edition

    In Lat. It runs upon four feet; or, as sometimes expressed, it runs upon all fours. A phrase used in arguments to signify the entire and exact application of a case quoted. "It does not follow that they run quatuor pedibus." 1 W. Bl. 145.