flamethrower \flamethrower\ n. (Mil.) a weapon that squirts ignited liquid or gelatinous fuel for several yards. [WordNet 1.5]
21 Moby Thesaurus words for "flamethrower": automatic, blowgun, blowpipe, firearm, gat, gun, handgun, heater, musket, peashooter, piece, pistol, repeater, revolver, rifle, rod, sawed-off shotgun, shooting iron, shotgun, six-gun, six-shooter