Meaning of HELICOPTER in English
■ noun a type of aircraft deriving both lift and propulsion from one or two sets of horizontally revolving rotors and capable of moving vertically and horizontally.
■ verb transport or fly by ~.
C19: from Fr. hélicoptère , from Gk helix 'spiral' + pteron 'wing'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004