Breadcrumb Home > Dictionary > Index C Castel Gandolfo: Meaning and Definition of Find definitions for: Cas•tel Gan•dol•fo Pronunciation: (kä-stel' gän-dôl'fô), [key] a village in central Italy, 15 mi. (24 km) SE of Rome: papal palace serving as the summer residence of the pope. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. caste castellan ✖ Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language