/ Dictionary / Index S Seleucid: Meaning and Definition of Find definitions for: Se•leu•cid Pronunciation: (si-l'sid), [key] — n., pl. adj. -ci•dae —n. a member of a Macedonian dynasty, 312–64 b.c.,that ruled an empire that included much of Asia Minor, Syria, Persia, Bactria, and Babylonia. —adj. of or pertaining to the Seleucids or their dynasty. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Seleucia Seleucidan Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language