dialect

noun dialect

• patois — a regional form of a language, especially of French, differing from the standard, literary form of the language.
• vocabulary — the stock of words used by or known to a particular people or group of persons: His French vocabulary is rather limited. The scientific vocabulary is constantly growing.
• language — a body of words and the systems for their use common to a people who are of the same community or nation, the same geographical area, or the same cultural tradition: the two languages of Belgium; a Bantu language; the French language; the Yiddish language.
• accent — Someone who speaks with a particular accent pronounces the words of a language in a distinctive way that shows which country, region, or social class they come from.
• idiom — an expression whose meaning is not predictable from the usual meanings of its constituent elements, as kick the bucket or hang one's head, or from the general grammatical rules of a language, as the table round for the round table, and that is not a constituent of a larger expression of like characteristics.