/ Dictionary / Index G GPS: Meaning and Definition of Find definitions for: GPS Pronunciation: [key] Global Positioning System. See gps Pronunciation: [key] gallons per second. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gps (Thesaurus) G.P.O. GPU Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language