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knuckle ball

or knuck·le·ball

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noun Baseball.
  1. a slow pitch that moves erratically toward home plate, usually delivered by holding the ball between the thumb and the knuckles of the first joints of the first two or three fingers.

Origin of knuckle ball

An Americanism dating back to 1905–10
Also called knuck·ler [nuhk-ler] /ˈnʌk lər/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for knuckler

Historical Examples

  • "Come here, Knuckler;" and he motioned to a fellow-convict to come towards him.

    Wilson's Tales of the Borders and of Scotland, XXII

    various


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