/hin'doo stah"nee, -stan"ee/ , n.
1. a standard language and lingua franca of northern India based on a dialect of Western Hindi spoken around Delhi. Abbr.: Hind Cf. Hindi (def. 2), Urdu .
adj.
2. of or pertaining to Hindustan, its people, or their languages.
Also, Hindoostani, Hindostani .
[ 1610-20; Hindustan region of the Indus, SIND ( Hindu HINDU + stan country) + -i suffix of appurtenance ]