A relatively large group of people organized under a single, usually independent government; a country. The territory occupied by such a group of people: All across the nation, people are voting their representatives out. The government of a sovereign state. A people who share common customs, origins, history, and frequently language; a nationality: "Historically the Ukrainians are an ancient nation which has persisted and survived through terrible calamity\u201d ( Robert Conquest). A federation or tribe, especially one composed of Native Americans. The territory occupied by such a federation or tribe.