DictionarybalkIllegal pitching motion
noun / verb

balk

An illegal pitching motion in baseball.

The umpire calls a balk after the pitcher makes an illegal motion.

Etymology

Earlier balk could mean a barrier or an obstruction, and the verb meant to stop or frustrate. Baseball specialized it for a prohibited pitching action that interrupts legitimate play.

More examples

  • The pitcher balked with a runner on first base.
  • A balk allowed the runners to advance.
  • The coach worked with him to prevent further balks.

Forms

balk · balks · balked · balking

Similar words

illegal delivery
Is broader and may involve pitching violations classified differently.
violation
Names any breach of a rule, not this specific pitching action.