Definition of barrel roll
1
: an airplane maneuver in which a complete revolution about the longitudinal axis is made
2
: a usually accidental occurrence in which a vehicle rolls completely over along its longitudinal axis
If the accident is violent enough to cause a couple of barrel rolls, the car will do so, despite the flaps.— Connie Steele
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Merriam-Webster unabridged
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Time Traveler for barrel roll
The first known use of barrel roll was in 1917
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