(Originally) a language or language variety used in social situations; (now chiefly Linguistics) a language variety used by a particular social group or class.
Origin
Mid 19th century.
Definition of social dialect in US English:
social dialect
noun
(Originally) a language or language variety used in social situations; (now chiefly Linguistics) a language variety used by a particular social group or class.
Definition of social dialect in English:
social dialect