Lamech (lâ'mek), strong. 1. The fifth descendant from Cain, the first polygamist, father of Jabal, Jubal, the inventor of musical instruments, and Tubal-cain, the worker of metals. He was the author of the earliest poetry extant, in which he addresses his wives on account of having slain a man. Genesis 4:18 to Genesis 24:2. Son of Methusaleh and father of Noah. Genesis 5:25; Genesis 5:31; 1 Chronicles 1:3; Luke 3:36.