Definition of Rotodyne in English:

Rotodyne

(also Rotadyne)

noun

historical
  • An aircraft equipped with rotors for vertical motion such as take-offs and landings, and conventional wings for forward flight.

Origin

1940s; earliest use found in The Trade Marks Journal. From roto- + -dyne. Originally a trade name.

Pronunciation

Rotodyne

/ˈrəʊtə(ʊ)dʌɪn/