or con·vert·a·plane, con·vert·o·plane
- an airplane capable of both vertical flight like a helicopter and fast, forward speed like a conventional airplane.
Origin of convertiplane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
convertaplane or convertoplane
- an aircraft that can land and take off vertically by temporarily directing its propulsive thrust downwards