in title of Psalms 80 (RSV marg., "lilies, a testimony"), probably the name of the melody to which the psalm was to be sung.
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 Shoshannim-Eduth". "Easton's Bible Dictionary". .