Source : Webster's Revised Unabridged Dictionary (1913)

Babul \Ba*bul"\, Babool \Ba*bool"\, n. [See {Bablah}.] (Bot.)
   Any one of several species of {Acacia}, esp. {A. Arabica},
   which yelds a gum used as a substitute for true gum arabic.

         In place of Putney's golden gorse The sickly babul
         blooms.                                  --Kipling.