Source : Webster's Revised Unabridged Dictionary (1913)

Mandioc \Man"di*oc\, Mandioca \Man`di*o"ca\, n. (Bot.)
   See {Manioc}.

Source : WordNet®

mandioc
     n : cassava with long tuberous edible roots and soft brittle
         stems; used especially to make cassiri (an intoxicating
         drink) and tapioca [syn: {bitter cassava}, {manioc}, {mandioca},
          {tapioca plant}, {gari}, {Manihot esculenta}, {Manihot
         utilissima}]