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n. pl. ja·tos
1. An aircraft takeoff aided by an auxiliary jet or rocket.
2. An auxiliary jet-producing unit providing additional thrust for a takeoff.
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.
n, pl -tos
(Aeronautics) aeronautics jet-assisted takeoff
[C20 j(et-)a(ssisted) t(ake)o(ff)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
or JATO(ˈdʒeɪ toʊ)
n., pl. ja•tos or JATOs.
a jet-assisted takeoff of an aircraft, esp. with auxiliary rocket motors that are jettisoned.
[1940–45; Amer.; j(et)a(ssisted)t(ake)o(ff)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.