Source : Webster's Revised Unabridged Dictionary (1913)

Dasheen \Dash`een"\, n.
   A tropical aroid (of the genus {Caladium}, syn. {Colocasia})
   having an edible farinaceous root. It is related to the taro
   and to the tanier, but is much superior to it in quality and
   is as easily cooked as the potato. It is a staple food plant
   of the tropics, being prepared like potatoes, and has been
   introduced into the Southern United States.

Source : WordNet®

dasheen
     n 1: edible starchy tuberous root of taro plants [syn: {taro}, {cocoyam},
           {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}, {taro plant}, {dalo},
         {Colocasia esculenta}]
     3: tropical starchy tuberous root [syn: {taro}, {taro root}, {cocoyam},
         {edda}]