/ Dictionary / Index G ground track: Meaning and Definition of Find definitions for: ground' track" Pronunciation: [key] the path on the earth's surface below an aircraft, missile, rocket, or spacecraft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ground-to-ground ground water Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language