/ Dictionary / Index G geognosy: Meaning and Definition of Find definitions for: ge•og•no•sy Pronunciation: ( jē-og'nu-sē), [key] — n. a science dealing with the constituent parts of the earth, its envelope of air and water, its crust, and the condition of its interior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. geog. geographer Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language