单词：headbutt 

动词

• 
  [1.v.headbutt] (同义词:[headbutt]  )
• 
  注释列句：butt with the head; "The soccer player headbutted his oponent and was sent off the field"
• 上位词 -> [butt( n. 粗大的一端, 靶垛, 笑柄 v. 以头抵撞, 碰撞 )]  [strike( n. 罢工, 打击, 殴打 vt. 打, 撞击, 冲击, 罢工, 打动, 划燃, 到达, 侵袭 vi. 打, 打击, 罢工, 抓, 敲, 搏动, 打动, 穿透 )]  [touch( n. 触, 触觉, 接触, 联系, 轻触, 碰, 缺点, 格调 vt. 接触, 触摸, 触及, 达到, 涉及, 点缀, 使接触, 感动 vi. 触摸, 接近, 涉及, 提到 )]