1. To break into pieces; to crush; to grind to powder. See Crase. God, looking forth, will trouble all his host, And craze their chariot wheels. Milton. 2. To weaken; to impair; to render decrepit. [Obs.] Till length of years, And sedentary numbness, craze my limbs. Milton. 3. To derange the intellect of; to render insane. Any man . . . that ...