sweet potato

/S W IY1 T P AH0 T EY1 T OW0/
noun
  1. 1

    A tropical perennial American vine, Ipomoea batatas, having a fleshy tuber.

  2. 2

    The tuber of this plant cooked as a vegetable.

  3. 3

    An ocarina.

Source: https://en.wiktionary.org/wiki/sweet%20potato