Definition of black english:
(n) :
(US) Synonym of African-American English (“AAE”), sometimes specifically African-American Vernacular English (“AAVE”).
(n) :
Any of several varieties of English spoken by or associated with Black people, especially people of African origin or in Africa.
(n) :
(UK) Synonym of Multicultural London English (“MLE”).
(n) :
(Canada) Synonym of Greater Toronto English (“MTE”).