home run . home run {n.} A hit in baseball that allows the batter to run around all the bases and score a run. Frank hit a home run over the left field wall in the second inning. Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: H Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment