Vernacular
Vernacular , adjective
[Latin vernaculus born in one's house, native, from verna a slave born in his master's house, a native, probably akin to Sanskrit vas to dwell, English was.]
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.
His skill in the vernacular dialect of the Celtic tongue.
Which in our vernacular idiom may be thus interpreted.
Vernacular , noun
The vernacular language; one's mother tongue; often, the common forms of expression in a particular locality, opposed to literary or learned forms.