(1):
(v. t.) To call for, as a gratification; to long for; hence, to require or demand; as, the stomach craves food.
(2):
(v. t.) To ask with earnestness or importunity; to ask with submission or humility; to beg; to entreat; to beseech; to implore.
(3):
(v. i.) To desire strongly; to feel an insatiable longing; as, a craving appetite.