convertiplane

or con·vert·a·plane, con·vert·o·plane

[kuh n-vur-tuh-pleyn]

Origin of convertiplane

First recorded in 1945–50; convert1 + -i- + plane1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for convertiplane

convertiplane

convertaplane or convertoplane

noun
  1. an aircraft that can land and take off vertically by temporarily directing its propulsive thrust downwards
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012