/ Dictionary / Index P Pythiad: Meaning and Definition of Find definitions for: Pyth•i•ad Pronunciation: (pith'ē-ad"), [key] — n. the four-year period between two celebrations of the Pythian Games. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pythia Pythian Related Content Daily Word Quiz: rarefied Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language