fastball

== English == === Etymology === From fast (adjective) +‎ ball. === Pronunciation === === Noun === fastball (plural fastballs) (baseball) A high-speed pitch of a baseball. (specifically) A four-seam fastball, which is a backspin pitch thrown with a ball gripped in the direction to cause four of the seams of the ball to cross the flight path and released with roughly equal pressure by the index and middle fingers ==== Synonyms ==== cheese (slang) fireball gas (slang) heat (slang) hummer (slang) ==== Derived terms ==== fastball count fastballer split-fingered fastball === See also === === Verb === fastball (third-person singular simple present fastballs, present participle fastballing, simple past and past participle fastballed) (transitive) To throw (something) at a high speed. === Anagrams === fat balls