(baseball) A four-base hit, allowing the batter to circle the bases and reach home safely in one play without any errors being committed by the defensive team.

plural of home run

(baseball) To hit a ball during an at-bat that results in all runners on base and the hitter scoring runs; the best result of an at-bat. / (figuratively) To achieve the best possible result.

(derogatory, dated) A home run hit to the minimum distance possible, usually just over the outfield fence closest to home plate.

(baseball) A plate appearance where the batter is able to reach home due to major fielding errors, on a scale not usually seen at that level of play.

plural of Chinese home run

plural of Little League home run