n.
 (pl. torpedoes)
    - a cigar-shaped self-propelled underwater missile designed to be fired from a ship, submarine, or an aircraft and to explode on reaching a target.
 - US a railway fog signal.
 - US a firework exploding on impact with a hard surface.
 - 
(also torpedo ray)
 an electric ray.
 
v.
 (torpedoes, torpedoing, torpedoed)
  - attack with a torpedo or torpedoes.
 - ruin (a plan or project).
 
 
  Derivative
  
  Etymology
  C16: from L., lit. ‘stiffness, numbness’, by extension ‘electric ray’.