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.

Pie \Pie\, n. [F. pie, L. pica; cf. picus woodpecker, pingere to
   paint; the bird being perhaps named from its colors. Cf.
   {Pi}, {Paint}, {Speight}.]
   1. (Zo["o]l.)
      (a) A magpie.
      (b) Any other species of the genus {Pica}, and of several
          allied genera. [Written also {pye}.]

   2. (R. C. Ch.) The service book.

   3. (Pritn.) Type confusedly mixed. See {Pi}.

   {By cock and pie}, an adjuration equivalent to ``by God and
      the service book.'' --Shak.

   {Tree pie} (Zo["o]l.), any Asiatic bird of the genus
      {Dendrocitta}, allied to the magpie.

   {Wood pie}. (Zo["o]l.) See {French pie}, under {French}.

Pie \Pie\, v. t.
   See {Pi}.

Source : WordNet®

pie
     n 1: dish baked in pastry-lined pan often with a pastry top
     2: a prehistoric unrecorded language that was the ancestor of
        all Indo-European languages [syn: {Proto-Indo European}]

Source : Free On-Line Dictionary of Computing

PIE
     
        A language from {CMU} similar to {Actus}.
     
        (1994-11-29)