Helicopter, type of aircraft in which lift is obtained by means of one or more power-driven horizontal propellers called rotors. When the rotor of a helicopter turns it produces reaction torque which tends to make the craft spin also. On most helicopters a small rotor near the tail compensates for this torque. Copters from the local TV stations made the obligatory reports on the bumper-to-bumper traffic at the start of the holiday weekend Recent Examples on the Web The 'copter, which weighs 4 pounds, will let researchers understand the viability and potential of heavier-than-air vehicles on the Red Planet.
Also found in: Thesaurus, Encyclopedia, Wikipedia.cop·ter
(kŏp′tər)n.Informal
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
copter
(ˈkɒptə) or'copter
n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cop•ter
(ˈkɒp tər)n.
[1945–50; by shortening]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
copter
[ˈkɒptər]n → hélicomCollins English/French Electronic Resource. © HarperCollins Publishers 2005
Copter Royale Io
copter
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Copter Io
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