1. (

• potato ,
• white_potato ,
• Irish_potato ,
• murphy ,
• spud ,
• tater

) an edible tuber native to South America; a staple food of Ireland ;

2. (

• potato ,
• white_potato ,
• white_potato_vine ,
• Solanum_tuberosum

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