Source : WordNet®

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