/ Dictionary / Index O octateuch: Meaning and Definition of Find definitions for: oc•ta•teuch Pronunciation: (ok'tu-tk", -tyk"), [key] — n. the first eight books of the Old Testament, consisting of Genesis, Exodus, Leviticus, Numbers, Deuteronomy, Joshua, Judges, and Ruth, or a volume containing them. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. octarchy octavalent Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language