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

    A nation at war with a given one. See 88 Am. Dec. 779, note.

  • Black's Law Dictionary: 2nd Edition

    In public law, signifies either the nation which is at war with another or a citizen or subject of such nation.
    —Alien enemy. An alien, that is, a citizen or subject of a foreign state or power, residing within a given country, is calied an "alien ami" if the country where he lives ls at peace with the country of which he is a citizen or subject; but if a state of war exists between the two countries, he is called an "alien enemy," and in that character is denied access to the courts or aid from any of the departments of government.
    —Enemy's property. In international law, and particularly in the usage of prize courts, this term designates any property which is engaged or used in illegal intercourse with the public enemy, whether belonging to an ally or a citizen, as the illegal traffic stamps it with the hostile character and attaches to it all the penal consequences. The Benito Es-tenger. 176 U. S. 568, 20 Sup. Ct 489, 44 In Ed. 592; The Sally, 8 Cranch, 382, 3 L. Ed. 507; Prize Cases, 2 Black, 674, 17 L. Ed. 459.
    —Public enemy. A nation at war with the United States; also every citizen or subject of such nation. Not including robbers, thieves, private depredators, or riotous mobs. State v. Moore, 74 Mo. 4l7, 41 Am. Rep. 322; Lewis v. Ludwick, 6 Gold. (Tenn.) 368, 98 Am. Dec. 454; Russell v. Fagan, 7 Houst. (Del.) 389, 8 Atl. 258; Missouri Pac. Ry. Ch v. Nev-ill, 60 Ark. 375, 30 S. W. 425, 28 L. It A. 80, 46 Am. St. Rep. 208.