n.1. One that slides: The snowy hill was filled with young sliders.
2. Baseball A fast pitch released with the index and middle fingers close together and slightly off center so that it breaks in the same direction as a curve ball as it approaches the plate.
3. A small hamburger served on a small bun, usually as a snack or appetizer.
4. Any of various turtles of the genus Trachemys, especially T. scripta subsp. elegans of North America, having a red stripe behind the eye and often kept as a pet.