Bengali means belonging or relating to Bengal, or to its people or language.
She married a Bengali doctor.
2. countable noun
A Bengali is a person who comes from Bangladesh or West Bengal.
3. uncountable noun
Bengali is the language that is spoken by people who live in Bangladesh and by many people in West Bengal.
Bengali in British English
(bɛnˈɡɔːlɪ, bɛŋ-)
noun
1.
a member of a people living chiefly in Bangladesh and in West Bengal. The West Bengalis are mainly Hindus; the East Bengalis of Bangladesh are mainly Muslims
2. Also called: Bangla
the language of this people: the official language of Bangladesh and the chief language of West Bengal; it belongs to the Indic branch of the Indo-European family
adjective
3.
of or relating to Bengal, the Bengalis, or their language