/ Dictionary / Index O opisthograph: Meaning and Definition of Find definitions for: o•pis•tho•graph Pronunciation: (u-pis'thu-graf", -gräf"), [key] — n. a manuscript, parchment, or book having writing on both sides of the leaves. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. opisthognathous opium Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language