Also found in: Thesaurus, Idioms, Encyclopedia, Wikipedia.
fly·byalso fly-by (flī′bī′)
n. pl. fly·bys also fly-bys
A flight passing close to a specified target or position, especially a maneuver in which a spacecraft or satellite passes sufficiently close to a body to make detailed observations without orbiting or landing.
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 -bys
(Astronautics) a flight past a particular position or target, esp the close approach of a spacecraft to a planet or satellite for investigation of conditions
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. -bys.
1. the flight of a spacecraft close enough to a celestial object, as a planet, to gather scientific data.
a. a low-altitude flight of an aircraft for the benefit of ground observers.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
flyby[ˈflaɪˌbaɪ] n (Am) → parata aerea
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995