dialect
n//ˈdaɪ.əˌlɛkt//dialekt, mål
(linguistics, strict sense) A lect (often a regional or minority language) as part of a group or family of languages, especially if they are viewed as a single language, or if contrasted with a standardized idiom that is considered the 'true' form of the language (for example, Bavarian as contrasted with Standard German).
(linguistics, broad sense) A variety of a language that is characteristic of a particular area, community, or social group, differing from other varieties of the same language in relatively minor ways as regards grammar, phonology, and lexicon.