Source : Webster's Revised Unabridged Dictionary (1913)

Curcuma \Cur"cu*ma\ (k?r"k?-m?), n. [Cf. F., It., & Sp. curcuma;
   all fr. Ar. kurkum. Cf. {Turmeric}.] (Bot.)
   A genus of plants of the order {Scitamine[ae]}, including the
   turmeric plant ({Curcuma longa}).

   {Curcuma paper}. (Chem.) See {Turmeric paper}, under
      {Turmeric}.