elder son of Adam and Eve, from Heb. Qayin, lit. "created one," also "smith," from Sem. stem q-y-n "to form, to fashion." To raise Cain is first recorded 1840. Surnames McCain, McCann, etc., are a contraction of Ir. Mac Cathan "son of Cathan," from Celt. cathan, lit. "warrior," from cath "battle."
male proper name, in O.T. eldest son of Cain, father of Methuselah, from Heb. Hanokh, lit. "dedicated, consecrated," from hanakh "he dedicated," whence also Hanukkah.