roll rollthe rotation of a vessel about its longitudinal (front/back) axis. Related Articles: Glossary: rollMultibeam EchosounderPotential effects of sound on marine invertebratesHow is sound used to measure waves in the surf zone?Passive Acoustic Recording TagsHow is sound used to map the seafloor?Underwater GlidersHow 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