Hin·du·sta·ni 
(hĭn′d-stänē, -stănē)
(hĭn′d-stänē, -stănē)n.
A group of Indic dialects including the spoken form of Hindi-Urdu that function as a lingua franca throughout much of northern and central India.
adj.
Of or relating to Hindustan, its people, or the Hindustani language.