Source : Webster's Revised Unabridged Dictionary (1913)

Sea pie \Sea" pie\ (Zo["o]l.)
   The oyster catcher, a limicoline bird of the genus
   {H[ae]matopus}.

Sea pie \Sea" pie`\
   A dish of crust or pastry and meat or fish, etc., cooked
   together in alternate layers, -- a common food of sailors;
   as, a three-decker sea pie.