The crossword solutions for the term REPRIMAND; PLANT are ROCKET, which is a six-letter word. A ROCKET is a spacecraft that uses thrust to propel itself through space. Rockets are used for a variety of purposes, including launching satellites, transporting people and cargo, and conducting scientific research. Rockets are also used in military applications, such as delivering missiles and bombs. Rockets are typically powered by chemical reactions, although some newer designs use electric propulsion.