doorstop /ˈdɔːˌstɒp/

• 1. 

  N-COUNT A doorstop is a wood or rubber wedge that you put under a door to keep it open. (置于门下的)门挡

• 2. 

  N-COUNT A doorstop is a piece of rubber on a wall that prevents it being damaged when a door is opened. (钉在墙上的)门挡

• 3. 

  N-COUNT A doorstop is a heavy object that you use to keep a door open. 重型门挡