1 (linguistics) a spoken regional dialect that is different from the standard language of the country, especially one that is considered substandard: The older generation still speaks the local patois.
az: ləhcə, şivə
ru: патуа, местное наречие
2 (linguistics) the jargon of a particular social group: Kids today have developed their own patois.
az: jarqon
ru: говор