Mahalath Leannoth Maschil
This word leannoth seems to point to some kind of instrument unknown (Ps. 88, title). The whole phrase has by others been rendered, "On the sickness of affliction: a lesson;" or, "Concerning afflictive sickness: a didactic psalm."
M. G. Easton, Illustrated Bible Dictionary, 3rd edition (1897). Public domain; text from the Christian Classics Ethereal Library. A nineteenth-century Protestant reference: its dates, archaeology and judgements reflect the scholarship of its time and are not Imago Dei's editorial position.