Potato (noun)

1. An edible starchy tuber that is a staple food in many parts of the world.
2. A plant of the nightshade family, typically having a large, underground, starchy tuber that is a staple food in many parts of the world.

Origin:

From spanish patata, from taíno batata.

Examples:

1. She baked a potato for dinner.
2. He mashed the potatoes for the recipe.
3. The potato is a staple food in Ireland.
4. The potato is a good source of vitamin C.
5. Potato chips are a popular snack food.