Source : Webster's Revised Unabridged Dictionary (1913)

Slider \Slid"er\, n.
   1. One who, or that which, slides; especially, a sliding part
      of an instrument or machine.

   2. (Zo["o]l.) The red-bellied terrapin ({Pseudemys rugosa}).
      [Local, U. S. ]

   {Slider pump}, a form of rotary pump.