/ Dictionary / Index A amphictyonic: Meaning and Definition of Find definitions for: am•phic•ty•on•ic Pronunciation: (am-fik"tē-on'ik), [key] — adj. of or pertaining to an amphictyon or an amphictyony. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amphictyon amphictyony Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language