redfender

Terrapin \Ter"ra*pin\, n. [Probably of American Indian origin.]
   (Zool.)
   Any one of numerous species of tortoises living in fresh and
   brackish waters. Many of them are valued for food. [Written
   also {terapin}, {terrapen}, {terrapene}, {turpen}, and
   {turapen}.]
   [1913 Webster]

   Note: The yellow-bellied terrapin ({Pseudemys scabra}) of the
         Southern United States, the red-bellied terrapin
         ({Pseudemys rugosa} or {Chrysemys rubriventris}),
         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.
         [1913 Webster]

   {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}.
      [1913 Webster]