conker

conker
noun
  1. (Brit.)the hard shiny dark brown nut of a horse chestnut tree
    (英)七叶树果实
    ■(conkers)[treated as sing.]a children's game in which each has a conker on the end of a string and takes turns in trying to break another's with it
    康克(一种儿童游戏,各有一系在绳端的七叶树果,轮流互击,以击落或击破对方的七叶树果实为胜)
语源
  1. mid 19th cent. (a dialect word denoting a snail shell, with which the game, or a similar form of it, was originally played): perhaps from conch, but associated with (and frequently spelled) conquer in the 19th and early 20th cents: an alternative name was conquerors
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