Source : Webster's Revised Unabridged Dictionary (1913)

Turmeric \Tur"mer*ic\, a. (Chem.)
   Of or pertaining to turmeric; resembling, or obtained from,
   turmeric; specif., designating an acid obtained by the
   oxidation of turmerol.

   {Turmeric paper} (Chem.), paper impregnated with turmeric and
      used as a test for alkaline substances, by which it is
      changed from yellow to brown.

   {Turmeric root}. (Bot.)
   (a) Bloodroot.
   (b) Orangeroot.

Source : WordNet®

turmeric root
     n : perennial herb of northeastern United States having a thick
         knotted yellow rootstock and large rounded leaves [syn: {goldenseal},
          {golden seal}, {yellow root}, {Hydrastis Canadensis}]