What does "vernacular" mean?

Vernacular: Belonging to the country of one's birth; one's own by birth or nature; native; indigenous; -- now used chiefly of language; as, English is our vernacular language. "A vernacular disease." Harvey. His skill the vernacular dialect of the Celtic tongue. Fuller. Which in our vernacular idiom may be thus interpreted. Pope.

Additional senses

  1. 2.The vernacular language; one's mother tongue; often, the common forms of expression in a particular locality.

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