Sociolect

In sociolinguistics, a sociolect or social dialect is a variety of language (a register) associated with a social group such as a socioeconomic class, an ethnic group (precisely termed ethnolect), an age group, etc. Sociolects involve both passive acquisition of particular communicative practices through association with a local community, as well...
Found on http://en.wikipedia.org/wiki/Sociolect

Sociolect

A sociolect is a variety of language used by a particular social group; a dialect is a variety of language used in a particular geographical region; and an idiolect is the variety of language used by a particular individual.…
Found on http://www.englishbiz.co.uk/grammar/main_files/definitionsn-z.htm

sociolect

A variety of a language which is typical of a certain class. Sociolects are most common in urban areas. In history, sociolects may play a role, e.g. in the formation of the English standard, Received Pronunciation, which derives from a city dialect (that of London in the late Middle Ages) but which has long since become a sociolect (Cockney being t...
Found on https://www.uni-due.de/ELE/LinguisticGlossary.html
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