fly by

flyby

[flahy-bahy]
noun, plural flybys.
1.
the flight of a spacecraft close enough to a celestial object, as a planet, to gather scientific data.
2.
Aeronautics.
a.
Also called flypast. a low-altitude flight of an aircraft for the benefit of ground observers.
b.
flyover ( def 1 ).
Also, fly-by.


Origin:
1950–55, Americanism; noun use of verb phrase fly by

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World English Dictionary
flyby (ˈflaɪˌbaɪ)
 
n , pl -bys
a flight past a particular position or target, esp the close approach of a spacecraft to a planet or satellite for investigation of conditions

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