barrel roll

noun Aeronautics.
a maneuver in which an airplane executes a complete roll by revolving once around its longitudinal axis.

Origin:
1930–35

Dictionary.com Unabridged

barrel-roll

[bar-uhl-rohl]
verb (used without object) Aeronautics.
to perform a barrel roll.

Origin:
1925–30

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To barrel roll
Collins
World English Dictionary
barrel roll
 
n
1.  a flight manoeuvre in which an aircraft rolls about its longitudinal axis while following a spiral course in line with the direction of flight
 
vb
2.  (intr) (of an aircraft) to perform a barrel roll

Collins English Dictionary - Complete & Unabridged 10th Edition
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Plaintiffs' vehicle broke away from the trailer and went into a barrel roll.
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