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

    From common observance there should be no departure.

  • Black's Law Dictionary: 2nd Edition

    From common observance there should be no departure; there must be no departure from common usage. 2 Coke, 74; Co. Litt. 186a, 229b, 365a; Wing. Max. 752, max. 203. A maxim applied to the practice of the courts, to the ancient and established forms of pleading and conveyancing, and to professional usage generally. Id. 752-755. Lord Coke applies it to common professional opinion. Co. Litt. 186a, 364b.

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