Ancient ships had two great broad-bladed oars for rudders. These, when not in use, were lifted out of the water and bound or tied up. When required for use, these bands were unloosed and the rudders allowed to drop into the water ( Acts 27:40 ).
These dictionary topics are from
M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition,
published by Thomas Nelson, 1897. Public Domain, copy freely.
Bibliography InformationEaston, Matthew George. "Entry for Rudder bands". "Easton's Bible Dictionary". .