adjective

1. of or having to do with a nation or the nation
2. affecting a (or the) nation as a whole; nationwide in scope, involvement, representation, etc.
3. patriotic or nationalist
4. established, maintained, or owned by the federal government a national park

Etymology: Fr

noun

1. a person under the protection of a (specified) country: citizen or subject
2. the national headquarters or administration of an organization
3. a competition in which participants compete for a nationwide ranking, title, championship, etc.