/ Dictionary / Index P Polynices: Meaning and Definition of Find definitions for: Pol•y•ni•ces Pronunciation: (pol"u-nī'sēz), [key] — n. Class. Myth. a son of Oedipus and Jocasta and brother of Eteocles and Antigone on whose behalf the Seven against Thebes were organized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polyneuritis polynomial Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language