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intr.v. vol·planed, vol·plan·ing, vol·planes
a. To glide toward the earth in an airplane with the engine cut off.
b. To glide toward the earth with the engine cut off. Used of an airplane.
2. To make one's way or go by gliding.
The act or an instance of volplaning.
[From French vol plané, gliding flight : vol, flight (from Old French, from voler, to fly; see volley) + plané, gliding, past participle of planer, to glide; see plane3.]
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.
(Aeronautics) aviation to glide towards the ground with no engine power
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
v.i. -planed, -plan•ing,
to glide toward the earth in an airplane with no motor power or with the power shut off.
[1905–10; < French]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.