What is the meaning of torpedo?

noun

• A professional killer who uses a gun.
  • synonyms: gunman, gunslinger, hired gun, gun, gun for hire, triggerman, hit man, hitman, shooter
• A large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States.
  • synonyms: bomber, grinder, hero, hero sandwich, hoagie, hoagy, Cuban sandwich, Italian sandwich, poor boy, sub, submarine, submarine sandwich, wedge, zep
• An explosive device that is set off in an oil well (or a gas well) to start or to increase the flow of oil (or gas. )
• A small firework that consists of a percussion cap and some gravel wrapped in paper; explodes when thrown forcefully against a hard surface.
• A small explosive device that is placed on a railroad track and fires when a train runs over it; the sound of the explosion warns the engineer of danger ahead.
• Armament consisting of a long cylindrical self-propelled underwater projectile that detonates on contact with a target.
• Any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges.
  • synonyms: electric ray, crampfish, numbfish

verb

• Attack or hit with torpedoes. .