slider

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. One that slides: The snowy hill was filled with young sliders.
2. n. 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.

Century Dictionary and Cyclopedia

1. n. One who or that which slides. Specifically— A part of an instrument, apparatus, or machine that slides.
2. n. The potter, skilpot, red-fender, or red-bellied terrapin, Pseudemys rugosa (or Chrysemys rubriventris), an inferior kind of terrapin or turtle sometimes cooked in place of the genuine Malacoclemmys palustris, or diamond-back. It is found chiefly along the eastern coast of the United States, about the Susquehanna river and other streams emptying into the Chesapeake. It attains a length of ten or eleven inches, and is used to adulterate terrapin stews.
3. n. plural Drawers.
4. A Middle English form of slidder.

Wiktionary

1. n. Agent noun of slide: one who slides.
2. n. baseball A pitch thrown with added pressure by middle and ring fingers yielding a combination of backspin and sidespin, resulting in a motion to the left when thrown by a right handed pitcher.
3. n. cricket A similar delivery in which the wrist and ring finger work to impart backspin to the ball.
4. n. A small hamburger.
5. n. curling A piece of teflon or similar material attached to a curling shoe that allows the player to slide along the ice.
6. n. graphical user interface A widget allowing the user to select a value or position on a sliding scale.
7. n. US, dialect Pseudemys rugosa, the red-bellied terrapin.

GNU Webster's 1913

1. adj. obsolete See slidder.
2. n. One who, or that which, slides; especially, a sliding part of an instrument or machine.
3. n. (Zoöl.), Local, U. S. The red-bellied terrapin (Pseudemys rugosa).
4. n. (Zoöl.) any of several North American freshwater turtles of the genus Chrysemis; some, such as C. scripta are sold commercially as pets.
5. n. (Baseball) a fast pitch that breaks slightly just in front of the batter, in the same direction as a curve ball (i. e. , away from the side from which it was thrown).

WordNet 3.0

1. n. a person who slips or slides because of loss of traction
2. n. freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets
3. n. someone who races the luge
4. n. a fastball that curves slightly away from the side from which it was thrown