noun cainism the first son of Adam and Eve, who murdered his brother Abel. Gen. 4. 1
noun cainism a murderer. 1
idioms cainism raise Cain, Slang. become angry or violent: He'll raise Cain when he finds out I lost his watch. to behave in a boisterous manner; cause a disturbance: The students raised Cain while the teacher was out. 1
