Source : Webster's Revised Unabridged Dictionary (1913)

Taro \Ta"ro\, n. [From the Polynesian name.] (Bot.)
   A name for several aroid plants ({Colocasia antiquorum}, var.
   {esculenta}, {Colocasia macrorhiza}, etc.), and their
   rootstocks. They have large ovate-sagittate leaves and large
   fleshy rootstocks, which are cooked and used for food in
   tropical countries.

Source : WordNet®

taro
     n 1: edible starchy tuberous root of taro plants [syn: {cocoyam},
           {dasheen}, {eddo}]
     2: herb of the Pacific islands grown throughout the tropics for
        its edible root and in temperate areas as an ornamental
        for its large glossy leaves [syn: {taro plant}, {dalo}, {dasheen},
         {Colocasia esculenta}]
     3: tropical starchy tuberous root [syn: {taro root}, {cocoyam},
         {dasheen}, {edda}]