1. an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller; [syn: autogiro, autogyro, gyroplane]
WordNet (r) 3.0 (2006):
gyroplane
n 1: an aircraft that is supported in flight by unpowered
rotating horizontal wings (or blades); forward propulsion
is provided by a conventional propeller [syn: autogiro,
autogyro, gyroplane]