noun A historically constituted, stable community of people, formed based on a common economic life, ethnicity, language, religion, and/or territory, and manifested in a common culture.
The Roma are a nation without a country.
noun A community united by some trait (especially an interest) but not historically constituted.
the Dallas Cowboys nation
noun A sovereign state; a country.
Though legally single nations, many states comprise several distinct cultural or ethnic groups.
noun An association of students based on the birthplace or ethnicity of its members.
Once widespread across Europe in medieval times, nations are now largely restricted to the ancient universities of Sweden and Finland.
noun A great number; a great deal.
noun In North America, an Indigenous people with federal and/or state recognition as such and (often also) their federally recognized territory.
The Choctaw Nation is the third-largest federally recognized tribe in the United States and the second-largest Indian reservation in area.