/ Dictionary / Index O orography: Meaning and Definition of Find definitions for: o•rog•ra•phy Pronunciation: (ô-rog'ru-fē, ō-rog'-), [key] — n. the branch of physical geography dealing with mountains. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: orography (Thesaurus) orographic precipitation oroide Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language