Legally, meat from cattle up to four years old is manzo. Older than that, it's bue, and slaughtered at under 18 months old it's vitellone. A heifer (under 16 months) is a scottona.
bollito di manzo: boiled beef
brasato di manzo: braised beef, pot roast
manzo alla California: beef slow-cooked in milk or cream ('California' is a village near Monza)
manzo macinata: ground beef (mince)
manzo all'olio (di Rovato): beef cooked in half oil and half-water, which is then made into a sauce with parsley and breadcrumbs