vernacular
US /vɚˈnæk.jə.lɚ/
UK /vɚˈnæk.jə.lɚ/

1.
the language or dialect spoken by the ordinary people of a country or region.
:
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He spoke in the local vernacular, which was difficult for outsiders to understand.
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The Bible was translated into the vernacular so that common people could read it.
2.
architecture concerned with domestic and functional buildings rather than public or monumental ones.
:
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The museum featured examples of traditional vernacular architecture from the region.
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The house was built in a simple, functional vernacular style.
1.
of or in the language or dialect spoken by the ordinary people of a country or region.
:
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The song was sung in the vernacular style, appealing to the local audience.
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The text was written in simple, vernacular English.