babul
/bəˈbuːl/noun
1- (in the Indian subcontinent) a tropical acacia introduced from Africa, used as a source of fuel, gum arabic, and (formerly) tannin（印度次大陆上的）阿拉伯胶金合欢。
1.1
- Acacia nilotica, family Leguminosae.拉丁名Acacia nilotica,豆科。
词源
early 19th cent.: from Hindi babūl.