conkers

名词 conker:

1. the inedible nutlike seed of the horse chestnut
   同义词：buckeye, horse chestnut, conker

1. Have you seen Tom Smith's conker? He's got ever such big one!
   你看到过汤姆·史密斯的七叶树吗？他有一棵非常大的七叶树。