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vernacular

/vəˈnækjələ/ noun

Latin root: vernāculus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about vernacular at Wordnik → Where our words come from →

  1. A characteristic language of a particular group (as among thieves).
    they don't speak our lingo
  2. The everyday speech of the people (as distinguished from literary language).

adjective

  1. Being or characteristic of or appropriate to everyday language.
    common parlance

Origin

From Latin vernāculus (“domestic, indigenous, of or pertaining to home-born slaves”), from verna (“a native, a home-born slave (one born in his master's house)”).

From Wiktionary, via Kaikki.org (CC BY-SA)