What does "national" mean?

National: Attached to one's own country or nation. National anthem, a popular song or hymn which has become by general acceptance the recognized musical expression of the patriotic sentiment of a nation; as, "God save the King" is called the national anthem of England. -- National bank, the official common name of a class of banking corporations established under the laws of the United States. -- National flag. See under Flag. -- National guard, a body of militia, or a local military organization, as in Paris during the French Revolution, or as certain bodies of militia in other European countries and in the United States. -- National salute, a salute consisting of as many guns as there are States in the Union. [U.S.]