tour·bil·lion
(to͝or-bĭl′yən)n.1. a. A whirlwind.
b. A vortex, as of a whirlwind or whirlpool.
2. A skyrocket that has a spiral flight.
[Middle English turbilloun, from Old French torbeillon, ultimately from Latin turbō, from Greek turbē, noise, confusion; see turbid.]
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.
tourbillion
(tʊəˈbɪljən) n (Physical Geography) a rare word for
whirlwind [C15: from French tourbillon, ultimately from Latin turbō something that spins, from turbāre to confuse]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tour•bil•lion
(tʊərˈbɪl yən)
n. 1. a whirlwind.
2. a firework that rises spirally.
[1470–80; earlier turbilloun < Middle French to(u)rbillon < Vulgar Latin *turbiliōnem, dissimilated variant of *turbiniōnem, acc. of *turbiniō whirlwind]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.