Slider \Slid"er\, a. See Slidder. [Obs.]

--Chaucer.

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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Note: The yellow-bellied terrapin (Pseudemys acebra) of the Southern United States, the red-bellied terrapin (Pseudemys rugosa), native of the tributaries Chesapeake Bay (called also potter, slider, and redfender), and the diamond-back or salt-marsh terrapin (Malaclemmys palustris), are the most important American species. The diamond-back terrapin is native of nearly the whole of the Atlantic coast of the United States.

Alligator terrapin, the snapping turtle.

Mud terrapin, any one of numerous species of American tortoises of the genus Cinosternon.

Painted terrapin, the painted turtle. See under Painted.

Speckled terrapin, a small fresh-water American terrapin (Chelopus guttatus) having the carapace black with round yellow spots; -- called also spotted turtle.

Source: Webster's Revised Unabridged Dictionary (1913)