country
a country mile a very long way; a very large margin. informal
2001Sunday Business Post He's definitely the best barrister there-by a country mile.
go (or appeal) to the country test public opinion by dissolving Parliament and holding a general election. British
it's a free country: seefree.
line of country a subject about which a person is skilled or knowledgeable. British
unknown country an unfamiliar place or topic.
☞ The Latin equivalent, terra incognita, is also used in English.