4 occurrences in 4 dictionaries

Reference: Methusael

Easton

champion of El; man of God, a descendant of Cain (Ge 4:18), so called, perhaps, to denote that even among the descendants of Cain God had not left himself without a witness.

Fausets

Son of Mehujael in Cain's line, and Lamech's father (Ge 4:18).

Morish

Methu'sael

Son of Mehujael and father of Lamech. Ge 4:18.

Smith

Methu'sael

(man of God), the son of Mehujael, fourth in descent from Cain, and father of Lamech.

Ge 4:18