a flight manoeuvre in which an aircraft rolls about its longitudinal axis while following a spiral course in line with the direction of flight
WordReference Random House Unabridged Dictionary of American English © 2026
bar′rel roll′, [Aeron.]
bar•rel-roll (bar′əl rōl′),USA pronunciation v.i. [Aeron.]
- Aeronauticsa maneuver in which an airplane executes a complete roll by revolving once around its longitudinal axis.
- 1930–35
bar•rel-roll (bar′əl rōl′),USA pronunciation v.i. [Aeron.]
- Aeronauticsto perform a barrel roll.
- 1925–30
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