/ Dictionary / Index C Constantine II: Meaning and Definition of Find definitions for: Constantine II Pronunciation: [key] (Flavius Claudius Constantinus) a.d. 317–340, emperor of Rome 337–340 (son of Constantine I). born 1940, king of Greece 1964–74, in exile since 1967. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Constantine I Constantine XI Palaeologus Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language