<p><strong>Noun</strong></p><ul><li>a self-propelled, cigar-shaped missile containing explosives and often equipped with a homing device, launched from a submarine or other warship, for destroying surface vessels or other submarines.</li><li>any of various submarine explosive devices for destroying hostile ships, as a mine.</li><li>a cartridge of gunpowder, dynamite, or the like, exploded in an oil well to facilitate the extraction of oil from the well.</li><li>a detonating device fastened to the top of a rail so as to be exploded by the pressure of a locomotive or car, thus giving an audible signal to members of a train crew.</li><li>any of various other explosive devices, as a firework that consists of an explosive wrapped up with gravel in a piece of tissue paper and that detonates when thrown forcibly on the ground or against a hard surface.</li><li>an electric ray, especially Torpedo nobiliana, of the Atlantic Ocean.</li><li>an electric catfish, Malapterurus electricus, inhabiting waters of tropical central Africa and the Nile valley.</li><li>Informal. a hero sandwich.</li><li>Slang. a gangster hired as a murderer.</li></ul><p><strong>Verb</strong></p><ul><li>to attack, hit, damage, or destroy with torpedoes.</li><li>to explode a torpedo in (an oil well) to facilitate the extraction of oil.</li><li>to undermine, ruin, or destroy: He torpedoed our plans.</li></ul><p><strong>End of Response</strong></p>