snap' roll" Aeron.
a maneuver in which an airplane makes a rapid and complete revolution about its longitudinal axis while maintaining approximately level flight.
snap-rollPronunciation: (snap'rōl"), [key] Aeron.
to put (an airplane) through the maneuver of a snap roll.
to execute a snap roll.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.