Definitions of national:

• noun:   a person who owes allegiance to that nation
• adjective:   limited to or in the interests of a particular nation

  Example: "National interests"

• adjective:   owned or maintained for the public by the national government

  Example: "National parks"

• adjective:   of or relating to or belonging to a nation or country

  Example: "National hero"

• adjective:   of or relating to nationality

  Example: "National origin"

• adjective:   characteristic of or peculiar to the people of a nation

  Example: "A national trait"

• adjective:   concerned with or applicable to or belonging to an entire nation or country

  Example: "The national government"

• adjective:   inside the country