A language spoken by a large proportion of the inhabitants of a nation; an official language in a particular nation, typically recognized and adopted by government or in legislature.
Origin
Late 18th century; earliest use found in William Bartram (1739–1823), botanist and ornithologist.
Definition of national language in US English:
national language
noun
A language spoken by a large proportion of the inhabitants of a nation; an official language in a particular nation, typically recognized and adopted by government or in legislature.
Origin
Late 18th century; earliest use found in William Bartram (1739–1823), botanist and ornithologist.