from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An aircraft, such as a helicopter or autogyro, equipped with wings that rotate about an approximately vertical axis.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any aircraft that obtains lift from rotating blades; an autogyro
from The Century Dictionary and Cyclopedia
- n. A type of flying-machine. See the extract.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
Sorry, no etymologies found.