/ Dictionary / Index O Ozark Mountains: Meaning and Definition of Find definitions for: O'zark Moun'tains Pronunciation: [key] a group of low mountains in S Missouri, N Arkansas, and NE Oklahoma. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ozark oz. av. Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language