The Collaborative International Dictionary of English v.0.48:

Sea piet \Sea" pi"et\ (Zool.)
   See 1st Sea pie.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Piet \Pi"et\ (p[imac]"[e^]t), n. [Dim. of Pie a magpie: cf. F.
   piette a smew.] (Zool.)
   (a) The dipper, or water ouzel. [Scot.]
   (b) The magpie. [Prov.Eng.]
       [1913 Webster]

   Jay piet (Zool.), the European jay. [Prov.Eng.]

   Sea piet (Zool.), the oyster catcher. [Prov.Eng.]
      [1913 Webster]