groundnuts

/G R AW1 N D N AH0 T S/
noun
  1. 1

    A climbing vine, Apios americana, of eastern North America, having fragrant brownish flowers and small edible tubers.

  2. 2

    Any similar plant having underground tubers.

  3. 3

    The nutlike tuber of such a plant, especially peanuts.

  4. 4

    A plant which bears its nutlike seeds underground, such as a peanut or Bambara groundnut.

Source: https://en.wiktionary.org/wiki/groundnut, https://en.wiktionary.org/wiki/groundnuts