Hitter/ˈhɪtər/ Definition 1 of 2Pro Tip 1/3Baseball Specific Use 'hitter' primarily with baseball and similar bat-and-ball sports. She's an awesome hitter in softball too. Pro Tip 2/3Positional Variation 'Hitter' in baseball can signify a player's lineup position or role. He's batting as the lead-off hitter today. Pro Tip 3/3Skill Emphasis Use 'hitter' to emphasize skill in making contact with the ball. The coach praised her as a consistent hitter.