roll rollthe rotation of a vessel about its longitudinal (front/back) axis. Related Articles: Glossary: rollPotential effects of sound on marine invertebratesHow is sound used to measure waves in the surf zone?Multibeam EchosounderPassive Acoustic Recording TagsHow is sound used to map the seafloor?Autonomous Underwater VehiclesHow does sound propagate through sediment?Red DrumAlternative Meanings: rolla ship roll motion in a side-to-side tilting motion. Chris Knowlton2017-02-26T20:10:10-05:00