/ Dictionary / Index G geodesy: Meaning and Definition of Find definitions for: ge•od•e•sy Pronunciation: ( jē-od'u-sē), [key] — n. the branch of applied mathematics that deals with the measurement of the shape and area of large tracts of country, the exact position of geographical points, and the curvature, shape, and dimensions of the earth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: geodesy (Thesaurus) geodesic line geodetic Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language