n. 1. a baseball game in which one team's pitchers allow the opposing team only one hit. Syn. -- one-hitter [ WordNet 1.5 +PJC ]
n. 1. One who hits or strikes; as, a hard hitter. [ 1913 Webster ]
2. (Baseball) The batter; as, there are two strikes on the hitter. [ PJC ]
heavy hitter 1. A baseball player who gets many extra-base hits. 2. A person who is very important or is very effective at his profession. [ PJC ]