/ Dictionary / Index G ground stroke: Meaning and Definition of Find definitions for: ground' stroke" Pronunciation: [key] — Tennis. Tennis. a stroke made by hitting the ball after it has bounced from the ground. Cf. volley (def. 4b). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ground station ground substance Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language