/ Dictionary / Index D Demetrias: Meaning and Definition of Find definitions for: De•me•tri•as Pronunciation: (di-mē'trē-us), [key] — n. an ancient city in NE Greece, in Thessaly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Demeter Demetrius I Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language