noun (n)

• annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous(noun.plant)

  Synonym:
  potato, solanum tuberosum, white potato vine
  

  source: wordnet30
• an edible tuber native to South America; a staple food of Ireland(noun.food)

  Synonym:
  irish potato, murphy, potato, spud, tater
  

  source: wordnet30