noun Date: 1961 an aircraft that has rotors at the end of each wing which can be oriented vertically for vertical takeoffs and landings, horizontally for forward flight, or to any position in between
TILT-ROTOR
Meaning of TILT-ROTOR in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012