knuckleball

noun knuck·le·ball \ ˈnə-kəl-ˌbȯl \

Definition of knuckleball

:a slow baseball pitch that moves erratically and unpredictably and that is thrown with little spin by gripping the ball with the knuckles or the tips of the fingers pressed against the top

knuckleballer

play \ˈnə-kəl-ˌbȯ-lər\ noun

Recent Examples of knuckleball from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'knuckleball.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of knuckleball

1907


KNUCKLEBALL Defined for English Language Learners

knuckleball

noun

Definition of knuckleball for English Language Learners

  • baseball : a pitch that is thrown with very little spin by holding the ball with the knuckles or fingertips


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