slider slider /ˈslaɪdɝ/

noun

1. A fastball that curves slightly away from the side from which it was thrown  ( slider )
   a fastball that curves slightly away from the side from which it was thrown
   
2. Freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets  ( Pseudemys scripta , slider , yellow-bellied terrapin )
   freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets
   
   
3. Someone who races the luge  ( luger , slider )
   someone who races the luge
   
4. A person who slips or slides because of loss of traction  ( skidder , slider , slipper )
   a person who slips or slides because of loss of traction