Source : Webster's Revised Unabridged Dictionary (1913)

Pie \Pie\, n. [OE. pie, pye; cf. Ir. & Gael. pighe pie, also
   Gael. pige an earthen jar or pot. Cf. {Piggin}.]
   1. An article of food consisting of paste baked with
      something in it or under it; as, chicken pie; venison pie;
      mince pie; apple pie; pumpkin pie.

   2. See {Camp}, n., 5. [Prov. Eng.] --Halliwell.

   {Pie crust}, the paste of a pie.

Source : WordNet®

pie crust
     n : pastry used to hold pie fillings [syn: {pie shell}]