me-thu'-sha-el (methusha'el): A descendant of Cain, and father of Lamech in the Cainite genealogy (Ge 4:18). The meaning of the name is doubtful. Dillmann suggested "suppliant or man of God."
The International Standard Bible Encyclopedia
Methushael
The International Standard Bible Encyclopedia, James Orr (1915). Public domain, from the CrossWire SWORD module.