The term 'Cigar-Shaped Missile' can be summarized as a TORPEDO, which is a 7 letter word. A TORPEDO is a self-propelled, guided missile that is designed to detonate on contact with or in proximity to a target. It is typically launched from a submarine, surface ship, or aircraft and is used as an anti-ship or anti-submarine weapon. Torpedoes are also used for coastal defense and as an offensive weapon against other ships.