Pronunciation

change

Singular
chestnut

Plural
chestnuts

An opened chestnut
  1. (countable) A chestnut is a type of tree.
  2. (countable) A chestnut is a brown nut with a smooth hard shell that comes from the chestnut tree.
    He is allergic to chestnuts and peanuts.
  3. (uncountable) Chestnut is a type of color that is reddish-brown.