/ Dictionary / Index O Olynthus: Meaning and Definition of Find definitions for: O•lyn•thus Pronunciation: (ō-lin'thus), [key] — n. an ancient city in NE Greece, on the Chalcidice Peninsula. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Olympus Om Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language