gyroplane Hear it!

gyroplane definition

gyro·plane (jī′rō plān′)

noun

any aircraft having wings that rotate about a vertical or nearly vertical axis, as the autogiro or helicopter

Etymology: gyro- + plane

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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