coot·er 
(ktər)
(ktər)n.
1. Lower Southern US
a. Any of several edible, freshwater turtles of the genus Pseudemys.
b. Any of various other turtles or tortoises.
2. Vulgar Slang The female genitalia.
[Gullah, probably of Niger-Congo origin; akin to Bambara and Malinke kuta.]