knuckleball

knuckle ball

or knuck·le·ball (nŭk′əl-bôl′)

n. Baseball

A slow pitch that has almost no spin and veers erratically, thrown by gripping the ball with the nails or knuckles near the tips of the index and middle fingers, and often the third finger.

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knuck′le·ball′er n.

knuckleball

(ˈnʌkəlˌbɔːl)

n

(Baseball) a throw in baseball that flies in an erratic way and is difficult to hit well because the pitcher holds the ball between the fingertips or knuckles

Thesaurus

Noun

1.

knuckleball - a baseball pitch thrown with little speed or spin knuckler pitch, delivery - (baseball) the act of throwing a baseball by a pitcher to a batter