cul·ver·in /ˈkʌlvərən/
  一種槍,一種重炮
  Cul·ver·in n.  A long cannon of the 16th century, usually an 18-pounder with serpent-shaped handles.
     Trump, and drum, and roaring culverin.   --Macaulay.
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  culverin
       n 1: a heavy cannon with a long barrel used in the 16th and 17th
            centuries
       2: a medieval musket