单词：in-joke 

名词

• 
  [1.n.in-joke] (同义词:[in-joke]  )
• 
  注释列句：a joke that is appreciated only by members of some particular group of people
• 上位词 -> [joke( n. 笑话, 玩笑 v. (和...)开玩笑 )]  [wit( n. 智力, 才智, 智慧 )]  [message( n. 消息, 通讯, 讯息, 音讯, 差使, 广告词, 预言, 教训 vt. 通知 vi. 带信息 )]  [communication( n. 传达, 信息, 交通, 通讯 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )]