definition of nation
nation noun. B2 [C] a âcountry, âespecially when âthought of as a âlarge âgroup of âpeople âliving in one âarea with âtheir own âgovernment, âlanguage, âtraditions, etc.: All the nations of the âworld will be ârepresented at the âconference. The Germans, as a nation, are often âthought to be well âorganized.