slider

American  

[slahy-der] / ˈslaɪ dər /

noun

1. a person or thing that slides.

2. Baseball. a pitch similar to a curveball but one in which the ball rolls or slides, rather than spins, out of the pitcher’s hand and, like a curveball, drops and veers as it approaches home plate, sharply but with less of a curve.

   Johnson’s unhittable slider made him one of the best pitchers in the history of the game.

3. any of several freshwater turtles of the genus Chrysemys, of North America, having a smooth shell usually olive brown with various markings above and yellow below: some, especially C. scripta, are raised commercially and the young sold as pets, rarely surviving to adulthood.

4. a small burger on a bun.

   beef and lamb sliders.

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Etymology

Origin of slider

First recorded in 1520–30; 1930–35 slider for def. 2; slide + -er ¹

Example Sentences

They can tell you how many times a slider spins on its way home, the exact angle of every swing and how long it takes an outfielder to break on a fly ball.

From The Wall Street Journal • May 4, 2026

With a fastball that averages 101.4 mph and a ferocious slider, Miller has been unhittable this season, putting up numbers that defy belief.

From The Wall Street Journal • Apr. 21, 2026

George said he has focused on mixing up his pitches — fastball, curveball, slider, change-up.

From Los Angeles Times • Apr. 12, 2026

Weston was the only slider under 56 seconds as he clocked 55.88secs in heat two, to add to his 56.21secs in run one on the new Cortina sliding track.

From BBC • Feb. 12, 2026

I opened the slider and walked into the kitchen.

From "The Line Tender" by Kate Allen