knuckleball
n.
also knuckle-ball, baseball pitch, by 1909, from knuckle, n. + ball, n.1. So called from the position of the fingers in throwing it. Related: Knuckleballer.
| 词汇 | knuckleball |
| 词根词缀 | Online Etymology Dictionary knuckleball n. also knuckle-ball, baseball pitch, by 1909, from knuckle, n. + ball, n.1. So called from the position of the fingers in throwing it. Related: Knuckleballer. |
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