Exocet (??ks???s?t) n (Military) trademark a tactical missile with a high-explosive warhead, which is guided by computer and radar, travels at a very low altitude at high subsonic speed, and has a range of up to 70 km. It may be launched from a ship, aircraft, or submarine[C20: from French, from New Latin Exocoetus volitans flying fish]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014