the GNU version of the Collaborative International Dictionary of English
noun.
an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
Word Usage
"No one has ever managed to circumnavigate the globe in an autogyro, which is the predecessor to the modern-day helicopter that was made famous by an appearance in the James Bond film You Only Live Twice."