convertiplane

noun
con·​verti·​plane | \ kən-ˈvər-tə-ˌplān How to pronounce convertiplane (audio) \
variants: or less commonly convertaplane

Definition of convertiplane

: an aircraft that takes off and lands like a helicopter and is convertible to a fixed-wing configuration for forward flight

First Known Use of convertiplane

1949, in the meaning defined above

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The first known use of convertiplane was in 1949

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Britannica.com: Encyclopedia article about convertiplane

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