• WordNet 3.6
    • n gyroplane an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
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Century Dictionary and Cyclopedia
    • n gyroplane A type of flying-machine. See the extract.
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In literature:

Began experimenting June, 1906, and in July, 1908, his gyroplane flew 20 yards at a height of 14 feet.
"Jane's All the World's Aircraft" by Various

In news:

It could take as long as a year to determine the cause of a gyroplane crash in June in Wrens, Ga.