Vernaculars

noun

1. The language of a people or a national language.

   "A vernacular of the United States is English."

2. Everyday speech or dialect, including colloquialisms, as opposed to standard, literary, liturgical, or scientific idiom.

   "Street vernacular can be quite different from what is heard elsewhere."

3. Language unique to a particular group of people; jargon, argot.

   "For those of a certain age, hiphop vernacular might just as well be a foreign language."

4. A language lacking standardization or a written form.
5. Indigenous spoken language, as distinct from a literary or liturgical language such as Ecclesiastical Latin.

   "Vatican II allowed the celebration of the mass in the vernacular."