a large body of people, associated with a particular territory, that is sufficiently conscious of its unity to seek or to possess a government peculiarly its own: The president spoke to the nation about the new tax.
the territory or country itself: the nations of Central America.
a member tribe of an American Indian confederation.
an aggregation of persons of the same ethnic family, often speaking the same language or cognate languages.
an aggregation of people or peoples of one or more cultures, races, etc, organized into a single state: the Australian nation