Definitions of nation:

• noun:   the people who live in a nation or country

  Example: "A statement that sums up the nation's mood"

• noun:   a federation of tribes (especially native American tribes)

  Example: "The Shawnee nation"

• noun:   United States prohibitionist who raided saloons and destroyed bottles of liquor with a hatchet (1846-1911)
• noun:   a politically organized body of people under a single government

  Example: "African nations"

• name:  A surname (rare: 1 in 33333 families; popularity rank in the U.S.: #4222)