- Bengali Word দাউEnglish definition(noun) (onomatopoeia) expressing sudden burst of fire. দাউ দাউ (noun) expressing furious burning. দাউ করে জ্বলে ওঠা (verb intransitive) flare up; burst into flames; blaze up. দাউ দাউ করে জ্বলা (verb intransitive) blaze; burn fiercely; be in flames; flame.