1. A baseball pitch thrown with the ball held in the palm of the hand rather than gripped with the fingers, resulting in reduced spin and a slower, more unpredictable trajectory.
Usage: sports; baseball

Examples

• The pitcher threw a palmball that dipped unexpectedly as it approached the plate.
• A palmball is harder to control than a traditional fastball.
• Young pitchers often struggle to master the palmball grip.
• The catcher called for a palmball to keep the batter off balance.
• He relied on his palmball as an off-speed pitch to complement his fastball.