marrowbone['mærəubəun]

• n.
  • (食用的)动物骨髓
  • [复数][戏谑语]膝；交叉大腿骨(画在骷髅下象征死亡)
• 短语:
  • bring someone to his marrowbones [戏谑语]迫使某人跪下(或屈服)
  • go down on one's marrowbone [戏谑语]跪下