/ Dictionary / Index O oceanography: Meaning and Definition of Find definitions for: o•cea•nog•ra•phy Pronunciation: (ō"shu-nog'ru-fē, ō"shē-u-), [key] — n. the branch of physical geography dealing with the ocean. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oceanography (Thesaurus) oceanog. oceanologic Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language