Source : WordNet®

white potato
     n 1: annual native to South America having underground stolons
          bearing edible starchy tubers; widely cultivated as a
          garden vegetable; vines are poisonous [syn: {potato}, {white
          potato vine}, {Solanum tuberosum}]
     2: an edible tuber native to South America; a staple food of
        Ireland [syn: {potato}, {Irish potato}, {murphy}, {spud},
        {tater}]