babulEnglishOxford New American Dictionarybabul /bəˈbo͞ol, bəˈbul / ▸ noun (in South Asia) a tropical acacia introduced from Africa, used as a source of fuel, gum arabic, and (formerly) tannin. Acacia nilotica, family Leguminosae. – ORIGIN early 19th century : from Hindi babūl.