| 1. | Baseball. a hit that enables a batter, without the aid of a fielding error, to score a run by making a nonstop circuit of the bases. |
| 2. | a complete or unqualified success: trying to hit a home run at the box office. |

| home run n. Baseball Abbr. HR A hit that allows the batter to make a complete circuit of the diamond and score a run. |
home run
home run
A highly successful achievement; also, doubling one's profits. For example, We scored a home run with that drug stock, buying it at 15 and selling at 30. This expression originated in the mid-1800s in baseball, where it refers to a pitched ball batted so far that the batter can round all three bases and reach home plate, scoring a run. Its figurative use dates from the mid-1900s.