horse-chestnut

/HH AO1 R S CH EH1 S N AH0 T/
noun
  1. 1

    A species of trees of the genus Aesculus, common in the temperate zones of both hemispheres.

  2. 2

    The large nutlike seed of these trees.

Source: https://en.wiktionary.org/wiki/horse%20chestnut, https://en.wiktionary.org/wiki/horse-chestnut