dialect

This book is writ in such a dialect As may the minds of listless men affect.
Bunyan.
The universal dialect of the world. --South.
[1913 Webster]

2. The form of speech of a limited region or people, as distinguished from ether forms nearly related to it; a
variety or subdivision of a language; speech characterized
by local peculiarities or specific circumstances; as, the
Ionic and Attic were dialects of Greece; the Yorkshire
dialect; the dialect of the learned.
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In the midst of this Babel of dialects there suddenly appeared a standard English language.
--Earle.
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V. could address his subjects from every quarter in their native dialect. --Prescott.

Syn: Language; idiom; tongue; speech; phraseology. See {Language}, and {Idiom}.
[1913 Webster]

Source: The Collaborative International Dictionary of English