conkers

noun
UK /ˈkɒŋ.kəz/
US /ˈkɑːŋ.kɚz/

Conkers are hard brown nuts from a horse chestnut tree that kids use to play a hitting game.

We collected shiny conkers in the park and played a game with them.


OTHER MEANINGS

2. A children's game in which players swing conkers on strings to try to break each other's nut.

The kids spent the whole afternoon playing conkers in the schoolyard.

3. The hard brown seed of the horse chestnut tree, used in the game.

He drilled a hole through his best conker and threaded it onto a string.

4. A hit or blow, especially in the game of conkers.

That was a great conker—his nut cracked right in two.