ground ball . ground ball {n.} A ball batted onto the ground in baseball; a grounder. Taylor hit a ground ball to the short-stop. Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: G Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry