Vertically rising aircraft

found: Encyclopedia Americana, 2005:Vertical/short takeoff and landing (V/STOL) (a type of aircraft that can take off and land vertically (VTOL) with no ground roll (no horizontal movement on a runway) or that requires considerably less horizontal distance to take off and land (STOL) than conventional aircraft. Most VTOL aircraft can be operated in a short takeoff mode and are usually referred to as V/STOL aircraft)

found: World book, 2010:V/STOL (a type of aircraft that can take off and land vertically or on a short runway. The term V/STOL stands for Vertical/Short Take-Off and Landing)