con‧ker /ˈkɒŋkə $ ˈkɑːŋkər/ noun

1. [countable] the large brown shiny seed of the horse chestnut tree

2. conkers [uncountable] British English a children’s game in which conkers are hung from pieces of string and you try to break the other person’s conker by hitting it with your own

[TahlilGaran] Dictionary of Contemporary English ▲