convertiplane

(kən vʉrt′ə plān′)

☆

noun

an aircraft designed to take off and land vertically like a helicopter but to fly forward in level flight like a conventional airplane

Origin: converti(ble) + (air)plane

See convertiplane in American Heritage Dictionary 4

also con·vert·a·plane

noun

An airplane built to fly vertically as well as forward.

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