Source : Webster's Revised Unabridged Dictionary (1913)

Bengalee \Ben*gal"ee\, Bengali \Ben*gal"i\, n.
   The language spoken in Bengal.

Source : WordNet®

Bengali
     adj : of or relating to or characteristic of Bengal or its people;
           "Bengali hills"
     n 1: (Hinduism) a member of a people living in Bangladesh and
          West Bengal (mainly Hindus)
     2: an ethnic group speaking Bengali and living in Bangladesh
        and eastern India
     3: a Magadhan language spoken by the Bengali people; the
        official language of Bangladesh and Bengal