1. a baseball pitcher who specializes in throwing knuckleball pitches
Usage: baseball

Examples

• The veteran knuckleballer confused batters with his unpredictable pitches.
• Tim Wakefield was a famous knuckleballer who played for the Boston Red Sox.
• The team signed a knuckleballer to add variety to their pitching rotation.
• As a knuckleballer, he relied on the erratic movement of the ball rather than speed.
• The catcher had difficulty handling the knuckleballer’s wild pitches.
• Few players become successful knuckleballers because the pitch is so hard to control.